
Hóa chất Di-potassium hydrogen phosphate anhydrous 99.99 Suprapur Merck 1051090500 (K₂HPO₄, Chai nhựa 500 g) DEEP52 https://yeuhangduc.vn/
Mô tả
CAS number: 7758-11-4
EC number: 231-834-5
Hill Formula: HK₂O₄P
Molar Mass: 174.20 g/mol
Purity (metallic): ≥ 99.99 %
Assay (acidimetric): ≥ 99.5 %
Specific absorbance (at 260 nm; 10 %; 2 cm; water): ≤ 0.010
Chloride (Cl): ≤ 5 ppm Sulfate (SO₄): ≤ 30 ppm
As (Arsenic): ≤ 0.1 ppm Ba (Barium): ≤ 5.00 ppm
Ca (Calcium): ≤ 0.50 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cu (Copper): ≤ 0.005 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.100 ppm
Hg (Mercury): ≤ 0.05 ppm
La (Lanthanum): ≤ 0.010 ppm
Mg (Magnesium): ≤ 0.50 ppm
Mn (Manganese): ≤ 0.010 ppm
Na (Sodium): ≤ 50 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.005 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 0.50 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.010 ppm
