MERCK 106528 SODIUM DISULFITE . SODIUM METABISULFITE 500 GR

Description Brand : MERCKMILLIPORE Made in Germany Catalogue Number 106528 Packing : 500 GR (Plastic bottle) Synonyms Sodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite Product Information CAS number 7681-57-4 EC index number 016-063-00-2 EC number 231-673-0 Grade ACS,Reag. Ph Eur Hill Formula NaOS Molar Mass 190.11 g/mol HS Code 2832 10 00 Specifications Assay (iodometric) 98.0 - 100.5 % Identity passes test Appearance of solution passes test pH-value (5 %; water) 3.5 - 5.0 Insoluble matter 0.005 % Chloride (Cl) 0.005 % Thiosulfate (SO) 0.05 % passes test Heavy metals (as Pb) 0.001 % As (Arsenic) 0.0001 % Fe (Iron) 0.0005 % NOTE : HARAP MENANYAKAN STOK TERLEBIH DAHULU SEBELUM ORDER... SILAHKAN TINGGALKAN PESAN DI KOTAK PESAN UNTUK MENANYAKAN PRODUK LAINNYA YANG TIDAK TERTERA DI ETALASE..