TETRA-SODIUM DIPHOSPHATE/ SODIUM PYROPHOSPHATE, 500 GR, MERCK, 106591

TETRA-SODIUM DIPHOSPHATE DECAHYDRATE FOR ANALYSIS EMSURE ACS,REAG. PH EUR # HARAP MENANYAKAN STOCK TERLEBIH DAHULU # Description Brand : MERCKMILLIPORE Made in Germany Catalogue Number 106591 Packing : 500 GR (Plastic Bottle) Synonyms tetra-Sodium pyrophosphate, TSPP Description tetra-Sodium diphosphate decahydrate Specifications Assay (acidimetric) 99.0 - 103.0 % Insoluble matter ≤ 0.01 % pH-value (5 %; water, 25 °C) 9.5 - 10.5 Chloride (Cl) ≤ 0.001 % Orthophosphate (PO4) ≤ 0.1 % Sulfate (SO₄) ≤ 0.005 % Total nitrogen (N) ≤ 0.001 % Heavy metals (as Pb) ≤ 0.0005 % Fe (Iron) ≤ 0.0005 % K (Potassium) ≤ 0.005 % Corresponds to ACS, Reag. Ph Eur