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An accurate, precise, and affordable light emitting diode spectrophotometer for drinking water and other testing with limited resources.

An accurate, precise, and affordable light emitting diode spectrophotometer for drinking water and other testing with limited resources.

Posted on September 23, 2021July 23, 2021 by Patricia

Spectrophotometers are generally used to measure the concentrations of all kinds of analytes in drinking water and other matrixes; nevertheless, many laboratories with limited assets can’t afford to purchase these very helpful devices. To meet this want, an correct, exact, and affordable light emitting diode (LED) spectrophotometer was designed and constructed utilizing finest engineering practices and fashionable circuit design.

The value and efficiency of this LED spectrophotometer was in contrast in opposition to four frequent business spectrophotometers. More particularly, the efficiency of those spectrophotometers was evaluated from the higher limits of linear vary, higher limits of operational vary, calibration sensitivities, R2 values, precisions of requirements, estimated limits of detection, and p.c calibration test commonplace recoveries for the determinations of iron (Fe), manganese (Mn), and fluoride (F-) in drinking water.

This analysis was carried out within the United States (U.S.) and India. Our LED spectrophotometer prices $63 United States Dollars (USD) for components. The four business spectrophotometers ranged in value from $2,424 to $7,644 USD. There are not any sensible variations within the higher limits of linear vary, higher limits of operational vary, R2 values, precisions of requirements, and estimated limits of detection for our LED spectrophotometer and the four business spectrophotometers.

For 2 of the three analytes, there’s a sensible distinction within the calibration sensitivities our LED spectrophotometer and the four business spectrophotometers. More particularly, the calibration sensitivities for Mn and F- utilizing our LED spectrophotometer have been 65.2% and 67.0% of these utilizing the four business spectrophotometers, respectively. In conclusion, this paper describes the design, use, and efficiency of an correct, exact, and extraordinarily affordable LED spectrophotometer for drinking water and other testing with limited assets.

On-chip integration of optical detection items into the microfluidic methods for on-line monitoring is extremely fascinating for many functions and can be effectively in line with the spirit of optofluidics technology-fusion of optics and microfluidics for superior functionalities.

An accurate, precise, and affordable light emitting diode spectrophotometer for drinking water and other testing with limited resources.

This paper studies the development of a UV-Vis spectrophotometer on a microreactor, and demonstrates the web monitoring of the photocatalytic degradations of methylene blue and methyl orange below completely different stream charges and completely different pH values by detecting the depth change and/or the height shift.

The built-in system consists of a TiO2-coated glass substrate, a PDMS micro-sized response chamber and two stream cells. By evaluating with the outcomes of economic gear, we now have discovered that the measuring vary and the sensitivity are acceptable, particularly when the transmittance is within the vary of 0.01-0.9.

This built-in optofluidic system can considerably reduce down the check time and the pattern quantity, and would supply a flexible platform for real-time characterization of photochemical efficiency. Moreover, its on-line monitoring functionality might allow to entry the normally hidden info in biochemical reactions like intermediate merchandise, time-dependent processes and response kinetics.

Analysis of Photosystem I Donor and Acceptor Sides with a New Type of Online-Deconvoluting Kinetic LED-Array Spectrophotometer.

The newly developed Dual/KLAS-NIR spectrophotometer, technical particulars of which have been reported very just lately, is utilized in measuring redox adjustments of P700, plastocyanin (PC) and ferredoxin (Fd) in intact leaves of Hedera helix, Taxus baccata and Brassica napus An overview of assorted light-/dark-induced adjustments of deconvoluted P700+, PC+ and Fd- alerts is introduced demonstrating the wealth of novel info and the consistency of the obtained outcomes. Fd- adjustments are notably massive after darkish adaptation.

PC oxidation precedes P700 oxidation throughout dark-light induction and in steady-state light response curves. Fd reoxidation throughout induction correlates with the secondary decline of concurrently measured fluorescence yield, each of that are eradicated by elimination of O2 By willpower of 100% redox adjustments, relative contents of PC/P700 and Fd/P700 might be assessed, which present appreciable variations between completely different leaves, with a development to greater values in solar leaves.

Based on deconvoluted P700+ alerts, the complementary quantum yields of PSI, Y(I) (photochemical vitality use), Y(ND) (non-photochemical loss because of oxidized main donor) and Y(NA) (non-photochemical loss because of decreased acceptor) are decided as a perform of light depth and in contrast with the corresponding complementary quantum yields of PSII, Y(II) (photochemical vitality use), Y(NPQ) (regulated non-photochemical loss) and Y(NO) (non-regulated non-photochemical loss). The ratio Y(I)/Y(II) will increase with rising intensities. In the low depth vary, a two-step improve of PC+ is indicative of heterogeneous PC swimming pools.

In vitro kinetics of P700+ discount of Thermosynechococcus elongatus trimeric Photosystem I complexes by recombinant cytochrome c 6 utilizing a Joliot-type LED spectrophotometer.

The discount charge of photo-oxidized Photosystem I (PSI) with numerous pure and synthetic electron donors have been effectively studied by transient absorption spectroscopy. The electron switch charge from numerous donors to P700+ has been measured for a variety of photosynthetic organisms encompassing cyanobacteria, algae, and crops.

PSI could be a limiting part because of tedious extraction and purification strategies required for this membrane protein. In this report, we now have decided the in vivo, intracellular cytochrome c 6 (cyt c 6)/PSI ratio in Thermosynechococcus elongatus (T.e.) utilizing quantitative Western blot evaluation.

Toluene

04340-01 NACALAI TESQUE 1L 25.9 EUR

Toluene

20-abx186586 Abbexa
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Toluene

GK6186 Glentham Life Sciences 100ml 32.53 EUR

Toluene

GK6186-1 Glentham Life Sciences 1 18.2 EUR

Toluene

GK6186-100 Glentham Life Sciences 100 11.4 EUR

Toluene

GK6186-100ML Glentham Life Sciences 100 ml 44.4 EUR

Toluene

GK6186-1L Glentham Life Sciences 1 l 57.6 EUR

Toluene

GK6186-2500 Glentham Life Sciences 2500 35.5 EUR

Toluene

GK6186-2500ML Glentham Life Sciences 2500 ml 79.2 EUR

Toluene

GK6186-500 Glentham Life Sciences 500 14.8 EUR

Toluene

GK6186-500ML Glentham Life Sciences 500 ml 50.4 EUR

Toluene, GlenUltra™, analytical grade, for GC

GS8845 Glentham Life Sciences 2500ml 155.04 EUR

Toluene, GlenUltra™, analytical grade, for GC

GS8845-2500 Glentham Life Sciences 2500 161.7 EUR

Toluene-d8 for NMR spectroscopy, 99.5 Atom %D

85590 Sisco Laboratories 10 ml 93.26 EUR
Description: Part A

Toluene - 1ML

S-3505 Scientific Laboratory Supplies 1ML 51.3 EUR

Toluene-3,5-d2

T535876 Toronto Research Chemicals 10mg 64 EUR
Description: 16954-38-4

Toluene-2-d1

T211411 Toronto Research Chemicals 10mg 64 EUR
Description: 4409-84-1

Toluene-3-d1

T211416 Toronto Research Chemicals 10mg 64 EUR
Description: 4409-85-2

Toluene-4-d1

T211421 Toronto Research Chemicals 10mg 64 EUR
Description: 4409-83-0

Calib Std for Petrochem Pr-Benzene m-Xylene Toluene - 250ML

REGASCAL-4-250 Scientific Laboratory Supplies 250ML 459.73 EUR

Toluene Diisocyanate

B426693 Toronto Research Chemicals 10g 144 EUR
Description: 26471-62-5

Toluene pure, 99%

47556 Sisco Laboratories 500 ml 1.95 EUR
Description: Part A

Toluene-D8 99.6%

T14206 Pfaltz & Bauer 1G 191.91 EUR
Description: CAS N° 2037-26-5

Toluene-d8 - 1ML

S-3510 Scientific Laboratory Supplies 1ML 95.85 EUR

Toluene 〈H2O<30ppm〉

04109-35 NACALAI TESQUE 500ML 24.85 EUR

Toluene 〈H2O<30ppm〉

04109-64 NACALAI TESQUE 100ML 13.3 EUR

2-Ethyl Toluene

E926634 Toronto Research Chemicals 500mg 64 EUR

4-Bromo toluene

RM2681-500G EWC Diagnostics 1 unit 103.7 EUR
Description: 4-Bromo toluene

4-(Ethylthio)toluene

20-abx186289 Abbexa
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Toluene, anhydrous, 99.9%

GK9090 Glentham Life Sciences 100ml 50.14 EUR

Toluene, anhydrous, 99.9%

GK9090-1 Glentham Life Sciences 1 54.8 EUR

Toluene, anhydrous, 99.9%

GK9090-100 Glentham Life Sciences 100 30.9 EUR

Toluene, anhydrous, 99.9%

GK9090-100ML Glentham Life Sciences 100 ml 73.2 EUR

Toluene, anhydrous, 99.9%

GK9090-1L Glentham Life Sciences 1 l 102 EUR

3-(Bromomethyl)toluene

B687610 Toronto Research Chemicals 10g 230 EUR
Description: 620-13-3

3-(Methylamino)toluene

MBS577633-100mg MyBiosource 100mg 175 EUR

3-(Methylamino)toluene

MBS577633-200mg MyBiosource 200mg 225 EUR

3-(Methylamino)toluene

MBS577633-25mg MyBiosource 25mg 145 EUR

3-(Methylamino)toluene

MBS577633-50mg MyBiosource 50mg 150 EUR

3-(Methylamino)toluene

MBS577633-5x200mg MyBiosource 5x200mg 865 EUR

3-(Methylamino) toluene

MBS3605664-100mg MyBiosource 100mg 240 EUR

3-(Methylamino) toluene

MBS3605664-200mg MyBiosource 200mg 295 EUR

3-(Methylamino) toluene

MBS3605664-25mg MyBiosource 25mg 200 EUR

3-(Methylamino) toluene

MBS3605664-50mg MyBiosource 50mg 215 EUR

3-(Methylamino) toluene

MBS3605664-5x200mg MyBiosource 5x200mg 985 EUR

3-(Methylamino)toluene

T0557-10mg TargetMol Chemicals 10mg Ask for price
Description: 3-(Methylamino)toluene

3-(Methylamino)toluene

T0557-1g TargetMol Chemicals 1g Ask for price
Description: 3-(Methylamino)toluene

3-(Methylamino)toluene

T0557-1mg TargetMol Chemicals 1mg Ask for price
Description: 3-(Methylamino)toluene

3-(Methylamino)toluene

T0557-50mg TargetMol Chemicals 50mg Ask for price
Description: 3-(Methylamino)toluene

3-(Methylamino)toluene

T0557-5mg TargetMol Chemicals 5mg Ask for price
Description: 3-(Methylamino)toluene

Toluene GC-HS, 99.9%

83662 Sisco Laboratories 500 ml 5.13 EUR
Description: Part A

Toluene-24-diisocyanate - 1ML

S-3530 Scientific Laboratory Supplies 1ML 51.3 EUR

p-Ethyl toluene 97%

E15200 Pfaltz & Bauer 5G 147.85 EUR
Description: CAS N° 622-96-8

TAN Titration Solvent for ASTM D664 in Toluene/IPA/Water - 1L

TANSOLVF Scientific Laboratory Supplies 1L 159.3 EUR

TAN Titration Solvent for ASTM D664 in Toluene/IPA/Water - 2.5L

TANSOLVW Scientific Laboratory Supplies 2.5L 170.1 EUR

4-(Trifluoroacetyl)toluene

20-abx183477 Abbexa
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VOC Toluene Neat - 10MG

REVOC119N Scientific Laboratory Supplies 10MG 52.73 EUR

TAN Titration Solvent for ASTM D664 in Toluene/IPA/Water - 10L

TANSOLVF10 Scientific Laboratory Supplies 10L 604.8 EUR

Toluene extrapure AR, 99.5%

85577 Sisco Laboratories 500 ml 2.39 EUR
Description: Part A

4-Methoxy(toluene-d7)

P271733 Toronto Research Chemicals 10mg 64 EUR
Description: 1036431-36-3

Toluene (reagent grade) 4x4L

42070000-1 Bio-WORLD 1 L 66.93 EUR

Toluene (reagent grade) 4x4L

42070000-2 Bio-WORLD 4 L 158.14 EUR

Toluene (reagent grade) 4x4L

42070000-3 Bio-WORLD 100 mL 20.03 EUR

2,4-Toluene diisocyanate [BSA]

DAG-WT1906B Creative Diagnostics 1 mg 450 EUR
Description: Synthetic

2,4-Toluene diisocyanate [OVA]

DAG-WT1906O Creative Diagnostics 1 mg 1200 EUR
Description: Synthetic

Toluene, GlenDry™, anhydrous

GS5970 Glentham Life Sciences 100ml 119.29 EUR

Toluene, GlenDry™, anhydrous

GS5970-1 Glentham Life Sciences 1 69.7 EUR

Toluene, GlenDry™, anhydrous

GS5970-100 Glentham Life Sciences 100 49 EUR

Toluene, GlenDry™, anhydrous

GS5970-2500 Glentham Life Sciences 2500 124.3 EUR

Toluene, GlenDry™, anhydrous

GS5970-500 Glentham Life Sciences 500 57.2 EUR

Toluene Dried, 99.5%, 0.005% water

17213 Sisco Laboratories 500 ml 2.67 EUR
Description: Part A

Toluene-3,4-dithiol, Hi-AR™

RM1871-5G EWC Diagnostics 1 unit 558.14 EUR
Description: Toluene-3,4-dithiol, Hi-AR™

PYRIDINIUM P‐TOLUENE SULFONATE

916013 Survival Technologies each Ask for price

4-(1,1,2,2-Tetrafluoroethoxy)toluene

20-abx185792 Abbexa
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VOC Std Toluene 2000ug/mL in MeOH - 1ML

REVOC119 Scientific Laboratory Supplies 1ML 67.27 EUR

Stannic Chloride 1M in Toluene

98017 Sisco Laboratories 100 ml 17.72 EUR
Description: Part A

Propargyl bromide 80% in toluene

P25580 Pfaltz & Bauer 50ML 221.04 EUR
Description: CAS N° 106-96-7

Toluene (Sulphur free) extrapure, 99.5%

39984 Sisco Laboratories 500 ml 2.05 EUR
Description: Part A

Diethyl azodiformate 40% in Toluene

D21105 Pfaltz & Bauer 25G 414.86 EUR
Description: CAS N° 1972-28-7

Boc-His(Boc)-OH toluene solvate

A-4755.0005 Bachem 5.0g 224.4 EUR
Description: Sum Formula: C16H25N3O6; CAS# [20866-46-0] net

Boc-His(Boc)-OH toluene solvate

A-4755.0025 Bachem 25.0g 792 EUR
Description: Sum Formula: C16H25N3O6; CAS# [20866-46-0] net

Boc-His(Boc)-OH toluene solvate

4039505.0005 Bachem 5 g 122.43 EUR

Boc-His(Boc)-OH toluene solvate

4039505.0025 Bachem 25 g 487.62 EUR

Titanium Tetrachloride 1M in Toluene

83692 Sisco Laboratories 100 ml 8.1 EUR
Description: Part B

Toluene, GlenPure™, analytical grade

GS4701 Glentham Life Sciences 500ml 60.17 EUR

Toluene, GlenPure™, analytical grade

GS4701-1 Glentham Life Sciences 1 31.8 EUR

Toluene, GlenPure™, analytical grade

GS4701-2500 Glentham Life Sciences 2500 62.7 EUR

Toluene, GlenPure™, analytical grade

GS4701-500 Glentham Life Sciences 500 25.9 EUR

m-((p-Fluorophenyl)sulphonyl)toluene

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m-((p-Fluorophenyl)sulphonyl)toluene

T33126-10mg TargetMol Chemicals 10mg Ask for price
Description: m-((p-Fluorophenyl)sulphonyl)toluene

m-((p-Fluorophenyl)sulphonyl)toluene

T33126-1g TargetMol Chemicals 1g Ask for price
Description: m-((p-Fluorophenyl)sulphonyl)toluene

m-((p-Fluorophenyl)sulphonyl)toluene

T33126-1mg TargetMol Chemicals 1mg Ask for price
Description: m-((p-Fluorophenyl)sulphonyl)toluene

m-((p-Fluorophenyl)sulphonyl)toluene

T33126-50mg TargetMol Chemicals 50mg Ask for price
Description: m-((p-Fluorophenyl)sulphonyl)toluene

m-((p-Fluorophenyl)sulphonyl)toluene

T33126-5mg TargetMol Chemicals 5mg Ask for price
Description: m-((p-Fluorophenyl)sulphonyl)toluene

Diethyl azodicarboxylate 40% in Toluene

D21100 Pfaltz & Bauer 25G 283.48 EUR
Description: CAS N° 1972-28-7

Resolution Std Toluene in MeOH - 100ML

RSPEC-EPR002 Scientific Laboratory Supplies 100ML 304.04 EUR

Toluene-d6 2,4-Di-iso-cyanate

T536711 Toronto Research Chemicals 2.5mg 69 EUR
Description: 1398066-04-0

Boc-D-His(Boc)-OH toluene solvate

A-4670.0001 Bachem 1.0g 211.2 EUR
Description: Sum Formula: C16H25N3O6; CAS# [75498-93-0] net

Boc-D-His(Boc)-OH toluene solvate

A-4670.0005 Bachem 5.0g 733.2 EUR
Description: Sum Formula: C16H25N3O6; CAS# [75498-93-0] net

Dechlorane Plus 50ug/mL in Toluene - 1ML

REPBDE0404 Scientific Laboratory Supplies 1ML 638.93 EUR

Ethyl azidoacetate Solution, 25% in toluene

GW2091 Glentham Life Sciences 25ml 207.54 EUR

Ethyl azidoacetate Solution, 25% in toluene

GW2091-25 Glentham Life Sciences 25 214.1 EUR

100 ug/mL Phosmet oxon in Toluene - 1ML

S-4182 Scientific Laboratory Supplies 1ML 241.65 EUR

PAH Std Pyrene 2000ug/mL in Toluene - 1ML

REPAH109 Scientific Laboratory Supplies 1ML 108.69 EUR

DiagNano™ Oil-soluble Carbon Dots (Toluene), 630 nm

DNK-B088 Creative Diagnostics 50 mg 928 EUR

Toluene-4-Sulfonic Acid Oxetan-3-Yl Ester

20-abx185665 Abbexa
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PAH Std Chrysene 2000ug/mL in Toluene - 1ML

REPAH104 Scientific Laboratory Supplies 1ML 65.66 EUR

PAH Std Fluorene 2000ug/mL in Toluene - 1ML

REPAH106 Scientific Laboratory Supplies 1ML 65.66 EUR

PAH Std Coronene 100ug/mL in Toluene - 1ML

REPAH3601 Scientific Laboratory Supplies 1ML 146.88 EUR

PAH 16 Comp Std 1000ug/mL in Toluene - 1ML

REPAH004 Scientific Laboratory Supplies 1ML 284.95 EUR

PAH 16 Comp Std 2000ug/mL in Toluene - 1ML

REPAH006 Scientific Laboratory Supplies 1ML 284.95 EUR

PAH 16 Comp Std 500ug/mL in Toluene - 1ML

REPAH007 Scientific Laboratory Supplies 1ML 348.11 EUR

PAH 18 Comp Std 1000ug/mL in Toluene - 1ML

REPAH009 Scientific Laboratory Supplies 1ML 524.36 EUR

alpha,alpha,alpha-Tris(hydroxymethyl)toluene

MBS6053545-1g MyBiosource 1(g 500 EUR

alpha,alpha,alpha-Tris(hydroxymethyl)toluene

MBS6053545-5x1g MyBiosource 5x1g 2090 EUR

alpha,alpha,alpha-Tris(hydroxymethyl)toluene

T884910 Toronto Research Chemicals 10g 152 EUR
Description: 4704-99-8

Glycidyl Oleate-d5 (23 Mug/mL in toluene)

KIT8391 Toronto Research Chemicals 60x1ml 770 EUR

Glycidyl Stearate-D₅ (1.0 mg/mL in Toluene)

KIT8406 Toronto Research Chemicals 1x1ml 350 EUR
Description: 1346598-19-3

PAH Std Anthracene 2000ug/mL in Toluene - 1ML

REPAH102 Scientific Laboratory Supplies 1ML 124.85 EUR

Diethylaluminum chloride 25% solution in Toluene

D19720 Pfaltz & Bauer 100G 401.76 EUR
Description: CAS N° 96-10-6

PAH Std Naphthalene 2000ug/mL in Toluene - 1ML

REPAH107 Scientific Laboratory Supplies 1ML 65.66 EUR

PAH Std Naphthalene 1000ug/mL in Toluene - 1ML

REPAH1204 Scientific Laboratory Supplies 1ML 89.6 EUR

2-(2-thienyl)ethyl toluene-p-sulphonate

20-abx186077 Abbexa
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PAH Std Acenaphthene 2000ug/mL in Toluene - 1ML

REPAH101 Scientific Laboratory Supplies 1ML 65.66 EUR

PAH Std Phenanthrene 2000ug/mL in Toluene - 1ML

REPAH108 Scientific Laboratory Supplies 1ML 65.66 EUR

PAH Std Triphenylene 200ug/mL in Toluene - 1ML

REPAH1505 Scientific Laboratory Supplies 1ML 390.7 EUR

PAH Std Anthanthrene 200ug/mL in Toluene - 1ML

REPAH3301 Scientific Laboratory Supplies 1ML 494.99 EUR

PAH Std Violanthrone 200ug/mL in Toluene - 1ML

REPAH3805 Scientific Laboratory Supplies 1ML 729.99 EUR

PAH Std Fluoroanthene 2000ug/mL in Toluene - 1ML

REPAH105 Scientific Laboratory Supplies 1ML 65.66 EUR

2‐AMINO‐5‐(DIETHYLAMINO)TOLUENE MONOHYDROCHLORIDE

901010 Survival Technologies each Ask for price

Spectropho Bandwidth Std Toluene in Hexane - 100ML

RSPEC00311 Scientific Laboratory Supplies 100ML 286.2 EUR

VOC Std 2 Comp Mix 1000ug/mL in Toluene - 1ML

REVOC0184 Scientific Laboratory Supplies 1ML 217.38 EUR

PAH Std Acenaphthylene 2000ug/mL in Toluene - 1ML

REPAH116 Scientific Laboratory Supplies 1ML 235.01 EUR

PAH Std Acridine-d9 1000ug/mL in Toluene - 1ML

REPAH1202 Scientific Laboratory Supplies 1ML 591.93 EUR

Potassium Methoxide 0.1N Sol in Toluene/MeOH - 10L

PM20110 Scientific Laboratory Supplies 10L 839.7 EUR

PAH Std Isoviolanthrone 200ug/mL in Toluene - 1ML

REPAH3804 Scientific Laboratory Supplies 1ML 828.4 EUR

Toluene, GlenDry™, anhydrous over molecular sieve

GS7641 Glentham Life Sciences 100ml 138.3 EUR

Toluene, GlenDry™, anhydrous over molecular sieve

GS7641-1 Glentham Life Sciences 1 77.6 EUR

Toluene, GlenDry™, anhydrous over molecular sieve

GS7641-100 Glentham Life Sciences 100 56.6 EUR

Toluene, GlenDry™, anhydrous over molecular sieve

GS7641-2500 Glentham Life Sciences 2500 144.2 EUR

Toluene, GlenDry™, anhydrous over molecular sieve

GS7641-500 Glentham Life Sciences 500 64.7 EUR

PAH Std Coronene-d12 100ug/mL in Toluene - 1ML

REPAH1111 Scientific Laboratory Supplies 1ML 287.88 EUR

PAH Std Biphenyl-d10 1000ug/mL in Toluene - 1ML

REPAH1113 Scientific Laboratory Supplies 1ML 146.88 EUR

PAH Std Carbazole-d8 1000ug/mL in Toluene - 1ML

REPAH1201 Scientific Laboratory Supplies 1ML 481.77 EUR

VOC Std Ethyl Mercaptan 1000ug/mL in Toluene - 1ML

REVOC163 Scientific Laboratory Supplies 1ML 74.91 EUR

PAH Std 1-Nitropyrene 100ug/mL in Toluene - 1ML

REPAH3101 Scientific Laboratory Supplies 1ML 334.89 EUR

PAH Std 2-Nitropyrene 100ug/mL in Toluene - 1ML

REPAH3102 Scientific Laboratory Supplies 1ML 2103.32 EUR

PAH Std 4-Nitropyrene 100ug/mL in Toluene - 1ML

REPAH3103 Scientific Laboratory Supplies 1ML 1600.99 EUR

PAH Std 1-Ethylpyrene 200ug/mL in Toluene - 1ML

REPAH6005 Scientific Laboratory Supplies 1ML 828.4 EUR

1256910-Hexabromocyclododecane 1000ug/mL in Toluene - 1ML

REPBDE0409 Scientific Laboratory Supplies 1ML 376.01 EUR

PAH Std 1-Methylpyrene 200ug/mL in Toluene - 1ML

REPAH6001 Scientific Laboratory Supplies 1ML 828.4 EUR

PAH Std 4-Methylpyrene 200ug/mL in Toluene - 1ML

REPAH6002 Scientific Laboratory Supplies 1ML 1935.88 EUR

PAH Std 1-Fluoropyrene 100ug/mL in Toluene - 1ML

REPAH9012-I Scientific Laboratory Supplies 1ML 411.26 EUR

PAH Std Benzo(a)pyrene 2000ug/mL in Toluene - 1ML

REPAH110 Scientific Laboratory Supplies 1ML 132.19 EUR

PAH Std Benzo(a)pyrene 100ug/mL in Toluene - 1ML

REPAH119 Scientific Laboratory Supplies 1ML 77.85 EUR

PAH Std 1-Hydroxypyrene 200ug/mL in Toluene - 1ML

REPAH3001 Scientific Laboratory Supplies 1ML 494.99 EUR

PAH Std 1-Nitroperylene 100ug/mL in Toluene - 1ML

REPAH3501 Scientific Laboratory Supplies 1ML 2469.05 EUR

PAH Std 3-Nitroperylene 100ug/mL in Toluene - 1ML

REPAH3502 Scientific Laboratory Supplies 1ML 1389.48 EUR

PAH Std 1-Nitrocoronene 100ug/mL in Toluene - 1ML

REPAH3701 Scientific Laboratory Supplies 1ML 1389.48 EUR

PAH Std 2-Nitrofluorene 100ug/mL in Toluene - 1ML

REPAH4201 Scientific Laboratory Supplies 1ML 390.7 EUR

PAH Std 6-Ethylchrysene 1000ug/mL in Toluene - 1ML

REPAH6301 Scientific Laboratory Supplies 1ML 729.99 EUR

SVOC Std Toluene diisocyanate 1000ug/mL in MeOH - 1ML

RESVOC075 Scientific Laboratory Supplies 1ML 96.94 EUR

SVOC Std Toluene diisocyanate 2000ug/mL in MeOH - 1ML

RESVOC076 Scientific Laboratory Supplies 1ML 116.04 EUR

PAH Std Triphenylene-d12 1000ug/mL in Toluene - 1ML

REPAH1102 Scientific Laboratory Supplies 1ML 287.88 EUR

PAH Std 13-Dinitropyrene 100ug/mL in Toluene - 1ML

REPAH3104 Scientific Laboratory Supplies 1ML 1110.41 EUR

PAH Std 16-Dinitropyrene 100ug/mL in Toluene - 1ML

REPAH3105 Scientific Laboratory Supplies 1ML 2103.32 EUR

PAH Std 18-Dinitropyrene 100ug/mL in Toluene - 1ML

REPAH3106 Scientific Laboratory Supplies 1ML 1600.99 EUR

PAH Std 1-Methylfluorene 1000ug/mL in Toluene - 1ML

REPAH5001 Scientific Laboratory Supplies 1ML 146.88 EUR

PAH Std 2-Methylfluorene 1000ug/mL in Toluene - 1ML

REPAH5002 Scientific Laboratory Supplies 1ML 334.89 EUR

PAH Std 1-Methylchrysene 200ug/mL in Toluene - 1ML

REPAH6201 Scientific Laboratory Supplies 1ML 1389.48 EUR

PAH Std 2-Methylchrysene 200ug/mL in Toluene - 1ML

REPAH6202 Scientific Laboratory Supplies 1ML 1389.48 EUR

PAH Std 3-Methylchrysene 200ug/mL in Toluene - 1ML

REPAH6203 Scientific Laboratory Supplies 1ML 1600.99 EUR

PAH Std 4-Methylchrysene 200ug/mL in Toluene - 1ML

REPAH6204 Scientific Laboratory Supplies 1ML 1600.99 EUR

PAH Std 5-Methylchrysene 200ug/mL in Toluene - 1ML

REPAH6205 Scientific Laboratory Supplies 1ML 1389.48 EUR

PAH Std 6-Methylchrysene 200ug/mL in Toluene - 1ML

REPAH6206 Scientific Laboratory Supplies 1ML 1389.48 EUR

PAH Std 1-Methylcoronene 200ug/mL in Toluene - 1ML

REPAH6701 Scientific Laboratory Supplies 1ML 1600.99 EUR

PAH Std 2-Fluorofluorene 100ug/mL in Toluene - 1ML

REPAH9004-I Scientific Laboratory Supplies 1ML 146.88 EUR

PAH Std 1-Fluorochrysene 100ug/mL in Toluene - 1ML

REPAH9013-I Scientific Laboratory Supplies 1ML 721.18 EUR

PAH Std 3-Fluorochrysene 100ug/mL in Toluene - 1ML

REPAH9014-I Scientific Laboratory Supplies 1ML 358.39 EUR

Spectropho Bandwidth Std Toluene in Hexane Cuv - EACH

RSPEC0031 Scientific Laboratory Supplies EACH 1722.9 EUR

PAH Std Dibenzo(ae)pyrene 200ug/mL in Toluene - 1ML

REPAH2801 Scientific Laboratory Supplies 1ML 411.26 EUR

PAH Std Dibenzo(ah)pyrene 200ug/mL in Toluene - 1ML

REPAH2802 Scientific Laboratory Supplies 1ML 411.26 EUR

PAH Std Dibenzo(ai)pyrene 200ug/mL in Toluene - 1ML

REPAH2803 Scientific Laboratory Supplies 1ML 494.99 EUR

PAH Std Dibenzo(al)pyrene 200ug/mL in Toluene - 1ML

REPAH2804 Scientific Laboratory Supplies 1ML 494.99 EUR

PAH Std Dibenzo(el)pyrene 200ug/mL in Toluene - 1ML

REPAH2805 Scientific Laboratory Supplies 1ML 4184.61 EUR

PAH Std Benzo(a)chrysene 100ug/mL in Toluene - 1ML

REPAH3201 Scientific Laboratory Supplies 1ML 1009.07 EUR

PAH Std Benzo(b)chrysene 200ug/mL in Toluene - 1ML

REPAH3202 Scientific Laboratory Supplies 1ML 828.4 EUR

PAH Std Benzo(c)chrysene 200ug/mL in Toluene - 1ML

REPAH3203 Scientific Laboratory Supplies 1ML 1009.07 EUR

PAH Std Benzo(g)chrysene 200ug/mL in Toluene - 1ML

REPAH3204 Scientific Laboratory Supplies 1ML 3036.01 EUR

PAH Std Benzo(b)perylene 200ug/mL in Toluene - 1ML

REPAH3401 Scientific Laboratory Supplies 1ML 4184.61 EUR

PAH Std 2-Nitroanthracene 200ug/mL in Toluene - 1ML

REPAH2101 Scientific Laboratory Supplies 1ML 591.93 EUR

PAH Std 9-Nitroanthracene 100ug/mL in Toluene - 1ML

REPAH2102 Scientific Laboratory Supplies 1ML 411.26 EUR

PAH Std 45-Dimethylpyrene 200ug/mL in Toluene - 1ML

REPAH6003 Scientific Laboratory Supplies 1ML 1935.88 EUR

PAH Std 27-Dimethylpyrene 200ug/mL in Toluene - 1ML

REPAH6004 Scientific Laboratory Supplies 1ML 3036.01 EUR

PAH Std 29-Dimethylpicene 100ug/mL in Toluene - 1ML

REPAH6601 Scientific Laboratory Supplies 1ML 2720.22 EUR

(1,1'-Bis(diphenylphosphino)ferrocene)dichloropalladium Toluene

B430365 Toronto Research Chemicals 100mg 1539 EUR
Description: 867381-03-1

PAH Std Benzo(ghi)perylene 2000ug/mL in Toluene - 1ML

REPAH112 Scientific Laboratory Supplies 1ML 370.14 EUR

Native PBDE Std PBDE-209 50ug/mL in Toluene - 1ML

REPBDE0209 Scientific Laboratory Supplies 1ML 760.84 EUR

4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Toluene

20-abx183459 Abbexa
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  • 1 g
  • 5 g
  • 25 g
  • 100 g

Toluene Dried Special (Low Benzene, 25ppm), 99.5%, 0.005% water

80156 Sisco Laboratories 250 ml 3.08 EUR
Description: Part A
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This info permitted the willpower of P700+ discount kinetics through recombinant cyt c 6 in a physiologically related ratio (cyt c 6: PSI) with a Joliot-type, LED-driven, pump-probe spectrophotometer. Dilute PSI samples have been examined below various cyt c 6 focus, temperature, pH, and ionic power, every of which exhibits related traits to the reported literature using a lot greater PSI concentrations with laser-based spectrophotometer.

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