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Merck

21067

Supelco

碳酸钙

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

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About This Item

线性分子式:
CaCO3
CAS号:
分子量:
100.09
Beilstein:
8008338
EC號碼:
MDL號碼:
分類程式碼代碼:
41116107
PubChem物質ID:
NACRES:
NA.24

等級

reference material

品質等級

化驗

≥99.5%

品質

certified by BAM

技術

titration: suitable

溶解度

H2O: insoluble

密度

2.93 g/mL at 25 °C (lit.)

格式

neat

SMILES 字串

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

InChI

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

InChI 密鑰

VTYYLEPIZMXCLO-UHFFFAOYSA-L

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一般說明

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.

應用

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

特點和優勢

  • 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)

分析報告

精确浓度、有效期、可追踪性以及认证的详细信息请见每个包装内的证书和认证报告。含量和有效期见标签。

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

nwg

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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分析证书(COA)

Lot/Batch Number

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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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