KALIUM SULFATE / POTASSIUM SULFATE / K2SO4 / MERCK 1.05153.1000 eceran

POTASIUM SULFATE FOR ANALYSIS EMSURE (K2SO4) No Katalog : 1.05153.1000 Kemasan : 1 Kg Dijual eceran dari kemasan asli 1 Kg yang dikemas ulang dengan menggunakan botol plastik grade laboratorium Product Information CAS number 7778-80-5 EC number 231-915-5 Grade ACS,ISO,Reag. Ph Eur Hill Formula K₂O₄S Chemical formula K₂SO₄ Molar Mass 174.26 g/mol HS Code 3105 10 00 Specifications Assay (alkalimetric) ≥ 99.0 % Insoluble matter ≤ 0.01 % pH-value (5 %; water, 25 °C) 5.5 - 7.5 Chloride (Cl) ≤ 0.0005 % Total nitrogen (N) ≤ 0.0005 % Heavy metals (as Pb) ≤ 0.0005 % As (Arsenic) ≤ 0.0002 % Ca (Calcium) ≤ 0.005 % Fe (Iron) ≤ 0.0005 % Mg (Magnesium) ≤ 0.002 % Na (Sodium) ≤ 0.02 %