Natriumpyrosulfit CZDA 10kg Gele Calibration and validation of pH

Description

Calibration and validation of pH electrodes in laboratories

5 KG ist ein Produkt von höchster Qualität

Setinhalt 1x Kochtopf 18 cm + Deckel

- a well-absorbable form

This lumpy

Natriumpyrosulfit CZDA 10kg Gele Calibration and validation of pHSodium pyrosulfite Technical information about chemical reagents: Chemical formula: NaSO. CAS number: 7681 57 4 EC number: 231 673 0 Synonyms: Sodium metabisulfite, Sodium(IV) disulfate Molar mass: 190. 1 g mol Species: p. d. a. Purity: min. 98. 0 % Water insoluble substances: max. 0. 005 %. Chlorides (Cl): max. 0. 005 %. Heavy metals (Pb): max. 0. 002 %. Arsenic (As): max. 0. 00005 % Iron (Fe): max. 0. 0005 % Physical state: solid External

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