POTASSIUM CHROMATE/ K2CRO4, 250 GR, MERCK, 104952

POTASSIUM CHROMATE FOR ANALYSIS EMSURE ACS,REAG. PH EUR 250 GR # HARAP MENANYAKAN STOCK TERLEBIH DAHULU # Description Catalogue Number 104952 Synonyms chromic acid potassium salt Product Information CAS number 7789-00-6 EC index number 024-006-00-8 EC number 232-140-5 Grade ACS,Reag. Ph Eur Hill Formula CrK₂O₄ Chemical formula K₂CrO₄ Molar Mass 194.19 g/mol HS Code 2841 50 00 Specifications Assay (iodometric) ≥ 99.5 % In water insoluble matter ≤ 0.005 % pH-value (5 %; water) 9.0 - 9.8 Chloride (Cl) ≤ 0.001 % Sulfate (SO₄) ≤ 0.01 % Ca (Calcium) ≤ 0.005 % Na (Sodium) ≤ 0.02 % Pb (Lead) ≤ 0.005 %