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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%
应用
sample preparation
储存温度
2-30°C
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
相关类别
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
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
储存分类代码
13 - Non Combustible Solids
WGK
nwg
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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