疏水二氧化硅,Silicic acid;precipitated extra pure heavy, ≥99% SiO2 basis (calculated on ignited on substance, gravimetric)

1006561000;1006569020;别名:Silicic acid; Empirical Formula (Hill Notation): O2Si · xH2O CAS号: 10279-57-9 分子量: 60.08 (anhydrous basis) EC索引号: 231-545-4
货号(SKU): 1.00656
CAS号: 10279-57-9
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¥3,679.56

说明

分析说明

Identity: passes test
Assay (gravimetric, SiO₂, calc. on ignited substance): ≥ 99 %
Chloride (Cl): ≤ 0.05 %
Heavy metals (as Pb): ≤ 0.005 %
Fe (Iron): ≤ 0.03 %
With hydrofluoric acid non volatile matter (as sulfate, ignited basis): ≤ 1 %
Loss on ignition (1000 °C): 10 - 20 %
Particle size (< 0.1 mm): about 99 %
Bulk density: 20 - 60 g/100 ml
 
 

属性

质量水平

检测方案

≥99% SiO2 basis (calculated on ignited on substance, gravimetric)

形式

solid

效能

>10000 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rabbit)

杂质

≤1% With hydrofluoric acid non volatile matter (as sulfate, ignited basis)

缺失

10-20% loss on ignition, 1000 °C

mp

1710 °C

溶解性

water: insoluble at 20 °C

密度

2-6 g/cm3 at 20 °C

堆积密度

60‑600 kg/m3

痕量阴离子

chloride (Cl-): ≤0.05%

痕量阳离子

Fe: ≤0.03%
heavy metals (as Pb): ≤0.005%

application(s)

sample preparation

储存温度

2-30°C

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

 

安全信息

储存分类代码

13 - Non Combustible Solids

WGK

nwg

商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
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