Wyszukano: 2-Mercaptopyridine-N-oxide+sodium+salt+hydrate

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Sodium Metabisulfite, Reference Standard

Numer katalogowy: (1614396.)

Producent: USP

Opis: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories.

j.m.: 1 * 2 SZT

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Formaldehyde sodium bisulphite adduct ≥95%, Sigma-Aldrich®

Producent: Merck

Opis: Formaldehyde sodium bisulphite adduct is used as a standard in the synthesis of 3-hydroxypropionaldehyde (3HPA). It can be assayed by HPLC with fluorometric detection in selected foods.