Potassium Carbonate

半岛bd体育手机客户端 说明

联系

Replaces: PX1390; PX1390-1; PX1390-20

分析说明

Assay (acidimetric; calculated on dried substance): ≥ 99.0 %
Assay (acidimetric): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.003 %
Phosphate (PO?): ≤ 0.001 %
Silicate (SiO?): ≤ 0.005 %
Total sulfur (as sulfate): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.02 %
Pb (Lead): ≤ 0.0005 %
Substances precipitated by ammonia: ≤ 0.01 %
Loss on drying (300?°C): ≤ 1.0 %
Corresponds to ACS, ISO, Reag. Ph Eur

法律信息

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

基本信息

经验(实验)分子式	CK2O3
分子量	138.21
MDL编号	MFCD00011382
EC索引号	209-529-3

半岛bd体育手机客户端 性质

质量水平	300
等级	ACS reagent
机构	reag. ISO reag. Ph. Eur.
测定	≥99.0% (acidimetric) ≥99.0% dry basis (acidimetric)
形式	solid
效能	>2000 mg/kg LD50, oral (Rat)
pH值(酸碱度)	11.5-12.5 (20 ℃, 50 g/L in H2O)
mp	891 ℃
密度	2.43 g/cm3at 20 ℃
堆积密度	750 kg/m3
痕量阴离子	chloride (Cl-): ≤0.003% phosphate (PO43-): ≤0.001% silicate (as SiO2): ≤0.005% sulfur compounds (as SO42-): ≤0.003%
痕量阳离子	Ca: ≤ 0.002% Cu: ≤ 0.0005% Fe: ≤ 0.0005% Mg: ≤ 0.001% N: ≤ 0.001% Na: ≤ 0.02% Pb: ≤ 0.0005% heavy metals: ≤ 0.0005%
储存温度	2-30℃
InChI	1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
InChI key	BWHMMNNQKKPAPP-UHFFFAOYSA-L

安全信息

象形图
警示用语：	Warning
危险声明	H315 - H319 - H335
预防措施声明	P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
危险分类	Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官	Respiratory system
储存分类代码	11 - Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable