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398101 Sigma-Aldrich

Calcium carbonate

ACS reagent, chelometric standard, 99.95-100.05% dry basis

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Properties

Related Categories Acids & Bases, Bases, Calcium Salts, Calcium Salts, Chemical Synthesis,
Quality Level   200
grade   ACS reagent
  chelometric standard
assay   99.95-100.05% dry basis
form   powder
impurities   ≤0.01% NH4OH pptd.
  ≤0.01% insol. dil. HCl
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-OES)
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

Description

General description

Calcium carbonate is a calcium salt commonly found in shells and skeleton of marine animals. It is an inexpensive, non-toxic and easily available reagent with a wide range of applications.

Application

Calcium carbonate may be used:
• As a pore generating agent to prepare porous ceramics.
• As chelometric standard for the standardization of EDTA solution.
• To extract aluminium by microwave induced thermal activation of coal fly ash (CFA).

Packaging

1 kg in poly bottle

100, 500 g in poly bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
RTECS 
FF9335000

Documents

Certificate of Analysis

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Single- & multi-channel pipettes from BRAND
Protocols & Articles

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Peer-Reviewed Papers
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References

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