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Merck

21061

Sigma-Aldrich

碳酸钙

BioUltra, precipitated, ≥99.0% (KT)

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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:
12161700
PubChem物質ID:
NACRES:
NA.25

產品線

BioUltra

品質等級

化驗

≥99.0% (KT)

形狀

powder

品質

precipitated

雜質

insoluble matter, passes filter test

損耗

≤0.5% loss on drying, 110 °C

溶解度

5 M HCl: 0.1 M at 20 °C, clear, colorless

密度

2.93 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤200 mg/kg

正離子痕跡

As: ≤0.1 mg/kg
Ba: ≤50 mg/kg
Bi: ≤5 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤50 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤1000 mg/kg
Mn: ≤100 mg/kg
Mo: ≤5 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤500 mg/kg
Zn: ≤10 mg/kg

&lambda ;

0.1 M in 5 M HCl

紫外吸收

λ: 260 nm Amax: ≤0.09
λ: 280 nm Amax: ≤0.06

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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其他說明

Component of tetrathionate-containing and tetrathionate-producing culture media (TBG Broth) for buffering sulfuric acid produced on reduction of tetrathionate. Media component for luminous bacteria

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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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Methods in Enzymology, 57, 154-154 (1978)
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The mineralization of perfluorinated alkyl substances (PFASs) by calcium compounds during the waste thermal treatment was systemically studied. Different calcium compounds showed different mineralization efficiencies of PFASs during the thermal process, owing to the different reaction mechanisms. Calcium hydroxide was
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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
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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
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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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