Sodium pyrosulfate
Molecular Structure:
Molecular Formula:
Na2S2O7;H2O7S2·2Na
Molecular Weight:
222.10
Alias:
Sodium acid sulfate anhydrous
Disulfuric acid, disodium salt
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Sodium pyrosulfate |
AR |
500g |
RMB 27.5 |
Consulting service |
Sodium pyrosulfate |
CP |
500g |
RMB 22 |
Consulting service |
Character:
白色结晶具吸湿性,溶于水,热至460℃分解。溶于水成硫酸氢钠,溶液呈酸性,溶于发烟硫酸,不溶于乙醇。
密度:2.658
熔点:401℃
Quality Standard:
Q/(HG)SJ 631-94
项目Item 分析纯 化学纯
(AR) (CP)
含量(Na2S2O7)Assay,% ≥ 96.0 95.0
澄清度试验Clarty 合格 合格
水不溶物Insiluble matter in water,% ≤ 0.005 0.02
氯化物(Cl)Chloride,% ≤ 0.001 0.002
磷酸盐(PO4)Phosphate,% ≤ 0.001 0.0015
铁(Fe)Iron,% ≤ 0.0008 0.001
重金属(以Pb计)Heavy metals,% ≤ 0.0005 0.002
砷(As)Arsenic,% ≤ 0.0001 0.0005
Storage:
密封干燥保存。
酸性熔融剂,熔融矿石。