Merck 1066481000 十水合硫酸钠 (Na₂O₄S * 10 H₂O, 塑料瓶 1kg)
制造商: Merck Model: 1066481000 - 报价要求
- 报价要求
Price (exclude VAT) 2,962,400 VND Price (include VAT) 3,258,640 VND
CAS #: 7727-73-3
EC number: 231-820-9
Hill Formula: Na₂O₄S * 10 H₂O
Molar Mass: 322.19 g/mol
Assay (alkalimetric): ≥ 99.0 %
Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water; 25 °C): 5.2 - 8.0
Acidity or alkalinity: passes test
Chloride (Cl): ≤ 0.0003 %
Phosphate (PO₄): ≤ 0.0005 %
Total nitrogen (N): ≤ 0.0003 %
Heavy metals (as Pb): ≤ 0.0003 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on drying (130 °C): 52.0 - 57.0 %
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