Merck 1066379025 硫酸钠 (Na₂O₄S, 纤维纸箱 25kg)
制造商: Merck Model: 1066379025 - 报价要求
- 报价要求
Price (exclude VAT) 18,571,350 VND Price (include VAT) 20,428,485 VND
CAS #: 7757-82-6
EC number: 231-820-9
Hill Formula: Na₂O₄S
Molar Mass: 142.04 g/mol
Assay (precipitative titration): ≥ 99.0 %
Identity: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water, 25 °C): 5.2 - 9.2
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (ACS): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.01 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on ignition (800 °C): ≤ 0.5 %
Particle size (250-2000 µm): ≥ 85 %
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