"Spectrophotometer"

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2,3-Dimercapto-1-propanol ≥98.0% (by GC) for complexometry, for spectrophotometric determination of Cu, Fluka™

Supplier: Honeywell Chemicals

2,3-Dimercapto-1-propanol ≥98.0% (by GC) for complexometry, for spectrophotometric determination of Cu, Fluka™

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Methyl ethyl ketone ≥99%, ChromAR® for liquid chromatography, for UV spectrophotometry, Macron Fine Chemicals™

Supplier: Avantor

Methyl ethyl ketone ≥99%, ChromAR® for liquid chromatography, for UV spectrophotometry, Macron Fine Chemicals™

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Amplite® Colorimetric Maleimide Quantitation Kit

Supplier: AAT Bioquest

Maleimides can be directly assayed spectrophotometrically at 302 nm.

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Accessories for spectrophotometric colorimeters, Lovibond® PFX 880 series

Supplier: Lovibond Tintometer

Accessory for colorimeter, Automatic, transmittance, External power supply for PFX880

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Chloroform ≥99.8% (by GC, corrected for water content) stabilised, BAKER ANALYZED® HPLC for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

Supplier: Avantor

Chloroform ≥99.8% (by GC, corrected for water content) stabilised, BAKER ANALYZED® HPLC for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

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TMPyP [=α,β,γ,δ-tetrakis(1-methylpyridinium-4-yl)porphyrin-p-toluenesulphonate] ≥98.0% (by total nitrogen basis) for spectrophotometry

Supplier: TCI

Ultra-high sensitive spectrophotometric reagent for Cu, Mg. Reagent or the simultaneous determination of metals by HPLC.

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Ethyl acetate ≥99.6% (by GC, corrected for water content), BAKER ANALYZED® HPLC for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

Supplier: Avantor

Ethyl acetate ≥99.6% (by GC, corrected for water content), BAKER ANALYZED® HPLC for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

Sustainable Options Available

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N-(1-Naphthyl)ethylenediamine dihydrochloride, off-white powder

Supplier: MP Biomedicals

N-(1-Naphthyl)ethylenediamine, dihydrochoride is used for colorimetric determination of sulfonamide in blood. It is used for spectrophotometric determiniation of nitrite and nitrate.

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Methanol ≥99.9% (by GC), UltimAR® for liquid chromatography, for organic residue analysis, for UV spectrophotometry, Macron Fine Chemicals™

Supplier: MACRON AVANTOR BRAND

UltimAR-solvents that meet ACS specifications for liquid chromatography, UV-spectrophotometry, and general purpose use. They are also tested by GC/ECD and GC/FID for use in extraction/concentration sample clean-up protocols for trace-level organic impurities.

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Cyclohexane ≥99.5% (by GC, corrected for water content), BAKER ANALYZED® HPLC for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

Supplier: Avantor

Cyclohexane ≥99.5% (by GC, corrected for water content), BAKER ANALYZED® HPLC for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

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Acetonitrile ≥99.9% (by GC), CHROMASOLV™ for HPLC, for UV spectrophotometry, Riedel-de Haën™

Supplier: Honeywell Chemicals

Acetonitrile ≥99.9% (by GC), CHROMASOLV™ for HPLC, for UV spectrophotometry, Riedel-de Haën™

Sustainable Options Available

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N-Methyl-2-pyrrolidone (NMP) ≥99.0%, ChromAR® for liquid chromatography, for UV spectrophotometry, Macron Fine Chemicals™

Supplier: MACRON AVANTOR BRAND

N-Methyl-2-pyrrolidone (NMP) ≥99.0%, ChromAR® for liquid chromatography, for UV spectrophotometry, Macron Fine Chemicals™

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4-Methylumbelliferyl-2-acetamido-2-deoxy-β-D-glucopyranoside, powder

Supplier: MP Biomedicals

Soluble in methanol, warm water (100 mg/65 ml) and DMF (20 mg/ml).

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Acetonitrile ≥99.9% (by GC), BAKER ANALYZED® HPLC, Ultra Gradient for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

Supplier: Avantor

Acetonitrile ≥99.9% (by GC), BAKER ANALYZED® HPLC, Ultra Gradient for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

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Methanol ≥99.9% (by GC, corrected for water content), BAKER ANALYZED™ HPLC for liquid chromatography, for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

Supplier: Avantor

Methanol ≥99.9% (by GC, corrected for water content), BAKER ANALYZED™ HPLC for liquid chromatography, for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

Sustainable Options Available