Sigma-Aldrich

Zinc granular, 20-30 mesh, ACS reagent, ≥99.8%
Zinc granular, 20-30 mesh, ACS reagent, ≥99.8% Sigma-Aldrich
CAS: 7440-66-6 (7440666)
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Sodium sulfide
Sodium sulfide Sigma-Aldrich
CAS: 1313-82-2 (1313822)
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Cetyltrimethylammonium chloride solution 25 wt. % in H2O
Cetyltrimethylammonium chloride solution 25 wt. % in H2O Sigma-Aldrich
CAS: 112-02-7 (112027)
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Nitrogen-free weighing papers W × L 3 × 3 in.
Nitrogen-free weighing papers W × L 3 × 3 in. Sigma-Aldrich
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Lead(II) chloride 99.999% trace metals basis
Lead(II) chloride 99.999% trace metals basis Sigma-Aldrich
CAS: 7758-95-4 (7758954)
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Catalase from Micrococcus lysodeikticus solution, dark brown
Catalase from Micrococcus lysodeikticus solution, dark brown Sigma-Aldrich
CAS: 9001-05-2 (9001052)
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Poloxamer 188 solution 10%, sterile-filtered
Poloxamer 188 solution 10%, sterile-filtered Sigma-Aldrich
CAS: 9001-06-2 (9001062)
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Czapek Dox Agar
Czapek Dox Agar Sigma-Aldrich
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Quercetin ≥95% (HPLC), solid
Quercetin ≥95% (HPLC), solid Sigma-Aldrich
CAS: 117-39-5 (117395)
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Sucrose, pharmaceutical secondary standard; traceable to USP and PhEur
Sucrose, pharmaceutical secondary standard; traceable to USP and PhEur Sigma-Aldrich
CAS: 57-50-1 (57501)
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1,4-Benzoquinone, pharmaceutical secondary standard; traceable to USP and PhEur
1,4-Benzoquinone, pharmaceutical secondary standard; traceable to USP and PhEur Sigma-Aldrich
CAS: 106-51-4 (106514)
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Lead(II) acetate trihydrate, ACS reagent, ≥99%
Lead(II) acetate trihydrate, ACS reagent, ≥99% Sigma-Aldrich
CAS: 6080-56-4 (6080564)
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Antipyrine, analytical standard ( Phenazone )
Antipyrine, analytical standard ( Phenazone ) Sigma-Aldrich
CAS: 60-80-0 (60800)
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Multielement Standard Solution 6 for ICP TraceCERT, 23 elements, 100 mg/L each in nitric acid and hydrofluoric acid
Multielement Standard Solution 6 for ICP TraceCERT, 23 elements, 100 mg/L each in nitric acid and hydrofluoric acid Sigma-Aldrich
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Barium chloride dihydrate ACS reagent, ≥99%
Barium chloride dihydrate ACS reagent, ≥99% Sigma-Aldrich
CAS: 10326-27-9 (10326279)
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N,N-Diethyl-p-phenylenediamine
N,N-Diethyl-p-phenylenediamine Sigma-Aldrich
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Potassium permanganate ACS reagent, ≥99.0%, low in mercury
Potassium permanganate ACS reagent, ≥99.0%, low in mercury Sigma-Aldrich
CAS: 7722-64-7 (7722647)
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Phosphate buffered saline tablet ( 50 tablete )
Phosphate buffered saline tablet ( 50 tablete ) Sigma-Aldrich
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Kaolin tested according to Ph. Eur.
Kaolin tested according to Ph. Eur. Sigma-Aldrich
CAS: 1332-58-7 (1332587)
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Ethylenediaminetetraacetic acid disodium magnesium salt hydrate 99%
Ethylenediaminetetraacetic acid disodium magnesium salt hydrate 99% Sigma-Aldrich
CAS: 14402-88-1 (14402881)
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Sudan III
Sudan III Sigma-Aldrich
CAS: 85-86-9 (85869)
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Surfactant (MBAS) 1000 mg/L Calibration Standard
Surfactant (MBAS) 1000 mg/L Calibration Standard Sigma-Aldrich
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Cyclohexanone
Cyclohexanone Sigma-Aldrich
CAS: 108-94-1 (108941)
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Oxalic acid dihydrate
Oxalic acid dihydrate Sigma-Aldrich
CAS: 6153-56-6 (6153566)
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