Kieselguhr
Molecular Formula:
Molecular Weight:
Alias:
Infnsorial earth Fossil fluor
Siliceous earth
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Kieselguhr |
CP |
1kg |
RMB 52.8 |
Consulting service |
Kieselguhr |
TLC专用 |
100g |
RMB 107.8 |
现货 |
Kieselguhr |
CP |
500g |
RMB 41.8 |
Consulting service |
Character:
白色、浅灰色或浅黄色粉末。质软、轻而多空。为含有88%的硅的水生硅藻的碎片。能吸收大于本身4倍的水。溶于浓碱和氢氟酸,不溶于水、酸或稀碱。具有一定的吸附能力和良好的过滤性。
Quality Standard:
项目Item 化学纯
(CP)
灼烧失重Ignition loss,% ≤10.0
硫酸盐(SO4)Sulfate,% ≤0.5
盐酸可溶物Soluble in hydrochloric acid ≤0.2
水溶液反应Water solution reaction 合格
氢氧化钠溶液中可溶性物质Soluble matter ≥75.0
in sodium hydroxide solution,%
Storage:
密封保存。
用途 色谱分析吸附剂,助滤剂,澄清剂,填充剂,金属催化剂载体,防火和防酸的包装材料。志、热和电的不良导体。
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