氢氧化钡八水合物，Barium hydroxide octahydrate；for analysis EMSURE® ACS,ISO,Reag. Ph Eur, ≥98.0% (acidimetric)

等级

ACS reagent

质量水平

300

Agency

reag. ISO
reag. Ph. Eur.

产品线

EMSURE^®

测定

≥98.0% (acidimetric)

形式

solid

效能

550 mg/kg LD₅₀, oral (Rat)

杂质

≤0.005% Substances insoluble in dilute hydrochloric acid

pH值（酸碱度）

14 (20 °C in H₂O, saturated aqueous solution)

mp

78 °C

密度

2.18 g/cm³ at 20 °C

堆积密度

900‑1100 kg/m³

痕量阴离子

carbonate (as BaCO₃): ≤2.0%
chloride (Cl^-): ≤0.001%
sulfide (S^2-): ≤0.0005%

痕量阳离子

Ca: ≤0.002%
Fe: ≤0.0005%
K: ≤0.01%
Na: ≤0.01%
Pb: ≤0.001%
Sr: ≤0.5%
heavy metals (as Pb): ≤0.0005%

储存温度

2-30°C

InChI

1S/Ba.10H2O/h;10*1H2/q+2;;;;;;;;;;/p-2

InChI key

ZUDYPQRUOYEARG-UHFFFAOYSA-L