Potassium pyrosulfate
Molecular Structure:
MDL:
MFCD00011385
Molecular Formula:
K2S2O7
Molecular Weight:
254.32
Alias:
Potassium disulfate
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Potassium pyrosulfate |
AR |
500g |
RMB 66 |
Consulting service |
Potassium pyrosulfate |
CP |
500g |
RMB 55 |
Consulting service |
Potassium pyrosulfate |
GR |
500g |
RMB 88 |
Consulting service |
Character:
无色结晶或熔块状。有吸湿性。易溶于水,水溶液呈强酸性。商品常为近于70%的焦硫酸钾的30%硫酸氢钾的混合物。
密度:2.28
熔点:325℃
Quality Standard:
HG 3-921-76
项目ltem 分析纯 化学纯
(AR) (CP)
含量(K2S2O7)Assay,% ≥ 98.0 97.0
澄清度试验Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤ 0.01 0.015
氯化物(Cl)Chloridea,% ≤ 0.001 0.003
磷酸盐(PO4)Phosphate,% ≤ 0.001 0.0015
钙及镁(以Ca计)Calcium and magnesium,% ≤ 0.005 0.01
铁(Fe)Iron,% ≤ 0.001 0.003
砷(As)Arsenic,% ≤ 0.0003 0.0005
重金属(以Pb计)Heavy metals,% ≤ 0.0005 0.002
Storage:
密封保存。
化学分析用酸性溶剂。钢铁分析作电解金属的夹杂剂。