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Merck
모든 사진(1)

주요 문서

256501

Sigma-Aldrich

Calcium carbonate

ACS reagent, ≥99.0%, low in alkalies

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About This Item

Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
Beilstein:
8008338
EC Number:
MDL number:
UNSPSC 코드:
12352300
PubChem Substance ID:

Grade

ACS reagent

분석

≥99.0%

불순물

≤0.01% NH4OH pptd.
≤0.01% insol. dil. HCl

density

2.93 g/mL at 25 °C (lit.)

음이온 미량물

chloride (Cl-): ≤0.001%
fluoride (F-): ≤0.0015%
sulfate (SO42-): ≤0.005%

양이온 미량물

Ba: ≤0.01%
Fe: ≤0.002%
K: ≤0.01%
Mg: ≤0.01%
NH4+: ≤0.003%
Na: ≤0.01%
Sr: ≤0.1%
heavy metals (as Pb): ≤0.001%

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

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기타 정보

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

dust mask type N95 (US), Eyeshields, Gloves


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Materials science & engineering. C, Materials for biological applications, 33(4), 2046-2049 (2013-03-19)
The polymorphic phase transformation of thermally treated pearl powder was investigated by X-ray diffraction and thermoanalytical techniques. The phase transformation was based on quantification of the calcite content at various temperatures using Rietveld refinement analysis. The results show that the

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