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21067

Supelco

Carbonate de calcium

reference material for titrimetry, certified by BAM, ≥99.5%

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About This Item

Formule linéaire :
CaCO3
Numéro CAS:
Poids moléculaire :
100.09
Numéro Beilstein :
8008338
Numéro CE :
Numéro MDL:
Code UNSPSC :
41116107
ID de substance PubChem :
Nomenclature NACRES :
NA.24

Qualité

reference material
certified by BAM

Niveau de qualité

Pureté

≥99.5%

Technique(s)

titration: suitable

Solubilité

H2O: insoluble

Densité

2.93 g/mL at 25 °C (lit.)

Format

neat

Chaîne SMILES 

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

InChI

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

Clé InChI

VTYYLEPIZMXCLO-UHFFFAOYSA-L

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Description générale

Calcium carbonate volumetric standard is manufactured under stringent conditions and measured with the highest possible precision. The standard is qualified by volumetric complexometric titration with photometric endpoint detection. Its certified value and uncertainty measurement are in accordance with ISO Guide 35.

Application

It finds its use as a reference material for the standardization of volumetric solutions in complexometric titrations.

Caractéristiques et avantages

  • Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • High-quality offering accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

Remarque sur l'analyse

Exact concentration, expiry date, traceability and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves


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Certificats d'analyse (COA)

Lot/Batch Number

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Consulter la Bibliothèque de documents

Munlika Bootklad et al.
Carbohydrate polymers, 97(2), 315-320 (2013-08-06)
Thermoplastic starch (TPS) was prepared using compression molding and chicken eggshell was used as a filler. The effect of the eggshell powder (EP) on the properties of TPS was compared with the effect of commercial calcium carbonate (CC). The organic
Filipe Natalio et al.
Science (New York, N.Y.), 339(6125), 1298-1302 (2013-03-16)
Silicatein-α is responsible for the biomineralization of silicates in sponges. We used silicatein-α to guide the self-assembly of calcite "spicules" similar to the spicules of the calcareous sponge Sycon sp. The self-assembled spicules, 10 to 300 micrometers (μm) in length
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
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
Sophie A Jamal et al.
Lancet (London, England), 382(9900), 1268-1277 (2013-07-23)
Phosphate binders (calcium-based and calcium-free) are recommended to lower serum phosphate and prevent hyperphosphataemia in patients with chronic kidney disease, but their effects on mortality and cardiovascular outcomes are unknown. We aimed to update our meta-analysis on the effect of

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