碳酸钙，Calcium carbonate；precipitated for analysis EMSURE® Reag. Ph Eur, 98.5-100.5% dry basis (complexometric)

SKU：1020660250；1020661000；1020669050；线性分子式: CaCO3 CAS号: 471-34-1 分子量: 100.09 Beilstein: 8008338 MDL编号: MFCD00010906 EC索引号: 207-439-9

制造商品牌: 默克 Merck , 西格玛 Sigma-Aldrich , 色谱科 Supelco

货号（SKU）: 1.02066

CAS号: 471-34-1

MDL号: MFCD00010906

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目录规格.SKU-Variant

250g
1Kg
50Kg

说明

分析说明

Assay (complexometric; calculated on dried substance): 98.5 - 100.5 %
Identity: passes test
Substances insoluble in acetic acid: ≤ 0.2 %
Substances insoluble in hydrochloric acid: ≤ 0.005 %
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.03 %
Heavy metals (as Pb): ≤ 0.002 %
Total nitrogen (N): ≤ 0.001 %
Al (Aluminium): ≤ 0.005 %
As (Arsenic): ≤ 0.0004 %
Ba (Barium): passes test
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.02 %
Na (Sodium): ≤ 0.2 %
Pb (Lead): ≤ 0.0005 %
Sr (Strontium): ≤ 0.1 %
Magnesium and alkali metals: ≤ 1.5 %
Particle size (d 50): about 14 µm
Loss on drying (200 °C): ≤ 1.0 %
Corresponds to Reag. Ph Eur

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

属性

Agency

reag. Ph. Eur.

质量水平

300

产品线

EMSURE^®

测定

98.5-100.5% dry basis (complexometric)

形式

solid

效能

6450 mg/kg LD₅₀, oral (Rat)
>2000 mg/kg LD₅₀, skin (Rat)

杂质

≤0.005% Substances insoluble in hydrochloric acid
≤0.2% Substances insoluble in acetic acid

缺失

≤ 1.0% loss on drying, 200 °C

粒径

~14 μm (D 50)

pH值（酸碱度）

9.5-10.5 (20 °C, 100 g/L in H₂O, slurry)

mp

825 °C (decomposition)

密度

2.93 g/mL at 25 °C (lit.)

堆积密度

300‑1400 kg/m³

痕量阴离子

chloride (Cl^-): ≤0.005%
sulfate (SO₄^2-): ≤0.03%

痕量阳离子

Al: ≤0.005%
As: ≤0.0004%
Ba:, passes test
Cu: ≤0.0005%
Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.02%
Mg and allied cations: ≤1.5%
N: ≤0.001%
Na: ≤0.2%
Pb: ≤0.0005%
Sr: ≤0.1%
heavy metals (as Pb): ≤0.002%

储存温度

10-30°C

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

安全信息

储存分类代码

13 - Non Combustible Solids

WGK

nwg

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

商品规格

属性名称	属性值
储存温度 Storage temp.	常温阴凉避光
全球实时库存 Availability √	美国St. Louis ≥ 50 \| 欧洲Eur. ≥ 12 \| 東京Tokyo ≥ 20 \| 香港与北京 ≥ 50

商品标签 [tags]

碳酸钙 (17)

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