Merck 1051530500 硫酸钾，Emsure分析适用 (K₂SO₄, Plastic bottle 500g)
制造商: Merck Model: 1051530500 - 报价要求
- 报价要求
Price (exclude VAT) 952,200 VND Price (include VAT) 1,047,420 VND
CAS number: 7778-80-5
EC number: 231-915-5
Hill Formula: K₂O₄S
Molar Mass: 174.27 g/mol
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 %
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