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Merck

12010

Carbonate de calcium

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E170, precipitated, 98.5-100.5% (based on anhydrous substance)

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A propos de cet article

Formule linéaire :
CaCO3
Numéro CAS:
471-34-1
Poids moléculaire :
100.09
UNSPSC Code:
12352300
NACRES:
NA.21
PubChem Substance ID:
329749592
EC Number:
207-439-9
Beilstein/REAXYS Number:
8008338
MDL number:
MFCD00010906
Assay:
98.5-100.5% (based on anhydrous substance)
Form:
powder

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Nom du produit

Carbonate de calcium, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E170, precipitated, 98.5-100.5% (based on anhydrous substance)

InChI key

VTYYLEPIZMXCLO-UHFFFAOYSA-L

InChI

1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

SMILES string

[Ca++].[O-]C([O-])=O

grade

puriss.

assay

98.5-100.5% (based on anhydrous substance)

form

powder

quality

meets analytical specification of Ph. Eur., BP, USP, FCC, E170
precipitated

impurities

organic volatile impurities, complies
 residual solvents, complies
≤0.002% heavy metals (as Pb)
≤0.2% insoluble in acid (CH3COOH)
≤0.2% insoluble in hydrochloric acid
≤1% alkali-, Mg-ions (as SO4)

loss

≤2% loss on drying, 200 °C

pH

8

density

2.93 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤200 mg/kg
fluoride (F-): ≤50 mg/kg
sulfate (SO42-): ≤2000 mg/kg

cation traces

As: ≤2 mg/kg
Ba:, in accordance
Cu: ≤10 mg/kg
Fe: ≤200 mg/kg
Hg: ≤0.5 mg/kg
Pb: ≤3 mg/kg
Zn: ≤10 mg/kg

Quality Level

200

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Catégories apparentées

Application


  • Heavy metal immobilization and radish growth improvement using Ca(OH)(2)-treated cypress biochar in contaminated soil.: This study demonstrates the efficacy of Ca(OH)(2)-treated cypress biochar, rich in calcium carbonate, in immobilizing heavy metals and enhancing radish growth in contaminated soils, offering sustainable solutions for soil remediation (Shah et al., 2024).

  • Liming potential and characteristics of biochar produced from woody and non-woody biomass at different pyrolysis temperatures.: This research investigates the liming potential of biochar, particularly focusing on the role of calcium carbonate in neutralizing soil acidity and improving soil health, thus promoting sustainable agricultural practices (Murtaza et al., 2024).

  • Valorisation diagnosis of waste from the decontamination of phosphogypsum leachates through a combined calcium carbonate/hydroxide process.: This study evaluates the effectiveness of a combined calcium carbonate/hydroxide process in decontaminating phosphogypsum leachates, highlighting the potential of this method in waste valorization and environmental management (Soto-Cruz et al., 2024).


Classe de stockage

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
BCCP0232
BCCN5963
BCCM8769
BCCL4243
BCCL5350

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Consulter la Bibliothèque de documents

Yves F Widmer et al.
eLife, 7 (2018-10-23)
Lasting changes in gene expression are critical for the formation of long-term memories (LTMs), depending on the conserved CrebB transcriptional activator. While requirement of distinct neurons in defined circuits for different learning and memory phases have been studied in detail
Jane A Cauley et al.
Journal of women's health (2002), 22(11), 915-929 (2013-10-18)
Clinical outcomes of the Women's Health Initiative (WHI) calcium plus vitamin D supplementation trial have been reported during 7.0 years of active intervention. We now report outcomes 4.9 years after the intervention stopped and cumulative findings. Postmenopausal women (N=36,282) were
M Azizur Rahman et al.
PloS one, 8(3), e58781-e58781 (2013-03-26)
An organic matrix consisting of a protein-polysaccharide complex is generally accepted as an important medium for the calcification process. While the role this "calcified organic matrix" plays in the calcification process has long been appreciated, the complex mixture of proteins
Christopher T Parsons et al.
Environmental pollution (Barking, Essex : 1987), 178, 254-263 (2013-04-17)
Arsenic contamination of floodplain soils is extensive and additional fresh arsenic inputs to the pedosphere from human activities are ongoing. We investigate the cumulative effects of repetitive soil redox cycles, which occur naturally during flooding and draining, on a calcareous
Julyan H E Cartwright et al.
Angewandte Chemie (International ed. in English), 51(48), 11960-11970 (2012-11-06)
Although the polymorphism of calcium carbonate is well known, and its polymorphs--calcite, aragonite, and vaterite--have been highly studied in the context of biomineralization, polyamorphism is a much more recently discovered phenomenon, and the existence of more than one amorphous phase
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