398101
碳酸钙
ACS reagent, 99.95-100.05% dry basis
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关于此项目
线性分子式:
CaCO3
化学文摘社编号:
分子量:
100.09
UNSPSC Code:
12352300
NACRES:
NA.21
PubChem Substance ID:
EC Number:
207-439-9
Beilstein/REAXYS Number:
8008338
MDL number:
Assay:
99.95-100.05% dry basis
Grade:
ACS reagent
Form:
powder
Solubility:
dilute HCl: 6.7%
grade
ACS reagent
Quality Segment
assay
99.95-100.05% dry basis
form
powder
impurities
≤0.01% NH4OH pptd., ≤0.01% insol. dil. HCl
pH
8
solubility
dilute HCl: 6.7%
density
2.93 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, fluoride (F-): ≤0.0015%, sulfate (SO42-): ≤0.005%
cation traces
Ba: ≤0.01%, Fe: ≤0.002%, K: ≤0.01%, Mg: ≤0.01%, NH4+: ≤0.003%, Na: ≤0.01%, Sr: ≤0.1%, heavy metals: ≤0.001% (by ICP)
SMILES string
[Ca++].[O-]C([O-])=O
InChI
1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
InChI key
VTYYLEPIZMXCLO-UHFFFAOYSA-L
General description
碳酸钙是一种钙盐，常见于海洋动物的贝壳和骨骼中。是一种价廉、无毒、易得、且应用广泛的试剂。
Application
可使用碳酸钙：
- 作为造孔剂制备多孔陶瓷。
- 作为螯合滴定标准品用于 EDTA 溶液的标定。
- 通过微波诱导粉煤灰（CFA）的热活化来提取铝。
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存储类别
13 - Non Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves