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Merck

21067

Supelco

Carbonato de calcio

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

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About This Item

Fórmula lineal:
CaCO3
Número de CAS:
Peso molecular:
100.09
Beilstein/REAXYS Number:
8008338
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

reference material

Quality Level

assay

≥99.5%

quality

certified by BAM

technique(s)

titration: suitable

solubility

H2O: insoluble

density

2.93 g/mL at 25 °C (lit.)

format

neat

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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General description

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.

Features and Benefits

  • 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)

Analysis Note

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.

Storage Class

13 - Non Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Certificados de análisis (COA)

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Visite la Librería de documentos

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
Polysaccharides and proteoglycans in calcium carbonate-based biomineralization.
José L Arias et al.
Chemical reviews, 108(11), 4475-4482 (2008-07-26)
Ling Li et al.
Nature materials, 13(5), 501-507 (2014-04-01)
Hierarchical composite materials design in biological exoskeletons achieves penetration resistance through a variety of energy-dissipating mechanisms while simultaneously balancing the need for damage localization to avoid compromising the mechanical integrity of the entire structure and to maintain multi-hit capability. Here
Claudia Gagnon et al.
PloS one, 9(10), e109607-e109607 (2014-10-10)
To examine whether combined vitamin D and calcium supplementation improves insulin sensitivity, insulin secretion, β-cell function, inflammation and metabolic markers. 6-month randomized, placebo-controlled trial. Ninety-five adults with serum 25-hydroxyvitamin D [25(OH)D] ≤55 nmol/L at risk of type 2 diabetes (with
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

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