Silicic acid
Molecular Structure:
MDL:
MFCD00054122
Molecular Formula:
近似式H2SiO3
Molecular Weight:
79.10
Alias:
含水二氧化硅,矽酸
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Silicic acid |
AR |
500g |
RMB 121 |
Consulting service |
Character:
白色无定形粉未或块状,易溶于氢氟酸,有溶于热氢氧化钾或氢氧化钠的溶液,不溶于水或酸。本品是高纯度不规则颗粒的试剂硅胶,化学性能稳定,不溶于酸(氢氟酸除外),溶于苛性碱溶液。主要用作化学试剂,钨丝加工及机械热处理的熔剂。
Quality Standard:
项目Item 分析纯 化学纯
(AR) (CP)
灼烧失重Ignition loss,% 20~28 20~28
氯化物(Cl)Chloride,% ≤ 0.005 0.005
硫酸盐(SO4)Sulfate,% ≤ 0.02 0.02
铁(Fe)Iron,% ≤ 0.005 0.005
重金属Heavy metals,% ≤ 0.005 0.01
不挥发物Novolatile ≤ 0.2 0.4
Storage:
密封保存。
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