SÓDIO SULFITO ANIDRO PA EMSURE Reag. Ph Eur MERCK (FRASCO 500GR)
Modelo: 1066570500
R$ 980,72
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Descrição
Assay iodometric 98.0 - 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 S2O3 <=0.1 %
Heavy metals as Pb <=0.001 %
As (Arsenic) <=0.0001 %
Cu (Copper) <=0.0005 %
Fe (Iron) <=0.001 %
Pb (Lead) <=0.0005 %
Se (Selenic) <=0.001 %
Zn (Zinc) <=0.001 %