SODIUM SULFITE ANHYDROUS, 500 GR, MERCK, 106657

SODIUM SULFITE ANHYDROUS FOR ANALYSIS EMSURE REAG. PH EUR 500 GR * foto hanya ilustrasi dari kemasan 1 Kg * # HARAP MENANYAKAN STOCK TERLEBIH DAHULU # Description Brand : MERCKMILLIPORE Made in Germany Catalogue Number 106657 packing : 500 GR (Plastic Bottle) Product Information CAS number 7757-83-7 EC number 231-821-4 Grade Reag. Ph Eur Hill Formula NaOS Chemical formula NaSO Molar Mass 126.04 g/mol HS Code 2832 10 00 Specifications Assay (iodometric) 97.0 - 100.5 % Identity passes test Appearance of solution passes test Insoluble matter 0.005 % Free acid passes test Titrable free base 0.03 meq/g Chloride (Cl) 0.02 % Thiosulfate (SO) 0.1 % Heavy metals (as Pb) 0.0005 % As (Arsenic) 0.0001 % Cu (Copper) 0.0005 % Fe (Iron) 0.001 % Pb (Lead) 0.0005 % Se (Selenium) 0.0004 % Zn (Zinc) 0.001 %