Merck
所有图片(1)

文件

21067

Supelco

碳酸钙

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

所有图片(1)
线性分子式:
CaCO3
CAS号:
471-34-1
分子量:
100.09
Beilstein:
8008338
EC 号:
207-439-9
MDL编号:
MFCD00010906
PubChem化学物质编号:
329751907
NACRES:
NA.24

等级

certified reference material

检测方案

≥99.5%

质量

certified by BAM

technique(s)

titration: suitable

溶解性

H2O: insoluble

密度

2.93 g/mL at 25 °C (lit.)

格式

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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此商品
1.02410310034398101
Calcium carbonate certified reference material for titrimetry, certified by BAM, ≥99.5%

Supelco

21067

碳酸钙

Calcium carbonate volumetric standard, secondary reference material for complexometry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP

Supelco

1.02410

碳酸钙

Calcium carbonate powder, ≤50 μm particle size, 98%

Sigma-Aldrich

310034

碳酸钙

Calcium carbonate ACS reagent, chelometric standard, 99.95-100.05% dry basis

Sigma-Aldrich

398101

碳酸钙

assay

≥99.5%

assay

-

assay

98%

assay

99.95-100.05% dry basis

technique(s)

titration: suitable

technique(s)

titration: suitable

technique(s)

-

technique(s)

-

format

neat

format

-

format

-

format

-

quality

certified by BAM

quality

-

quality

-

quality

-

solubility

H2O: insoluble

solubility

-

solubility

H2O: insoluble

solubility

dilute HCl: 6.7%

一般描述

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.

应用

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

特点和优势

  • 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)

分析说明

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。

储存分类代码

13 - Non Combustible Solids

WGK

nwg

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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在网站页面上，产品编号会附带包装尺寸/数量一起显示（例如：T1503-25G）。请确保 在“产品编号”字段中仅输入产品编号 (示例 T1503).

示例

T1503
货号
-
25G
包装规格/数量

其它示例：

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

请输入1.000309185)

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Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich 产品

  • 如果您查询到的批号为 TO09019TO 等，请输入去除前两位字母的批号：09019TO。

  • 如果您查询到的批号含有填充代码（例如05427ES-021），请输入去除填充代码-021的批号：05427ES。

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Calcium carbonate anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%

Sigma-Aldrich

795445

碳酸钙

Potassium phthalate monobasic certified reference material for titrimetry, certified by BAM, ≥99.5%

Supelco

60357

邻苯二甲酸氢钾

Calcium carbonate 99.95 Suprapur®

Supelco

1.02059

碳酸钙

Calcium carbonate ReagentPlus®

Sigma-Aldrich

C6763

碳酸钙

Calcium carbonate ACS reagent, ≥99.0%, powder

Sigma-Aldrich

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Calcium carbonate BioXtra, ≥99.0%

Sigma-Aldrich

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

Supelco

42019

重铬酸钾

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
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
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
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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