性状:棕褐色结晶或粉末。不溶于水、醇,溶于乙酸、氢氧化钠水溶液。
熔点:290℃
密度:9.38
备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
质量标准:
品级Grade ACS级(ACS, ≥97.0%)
外观Appearance Black Powder
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥97.0 % (Titration by Na2S2O3)
不溶物Insoluble matter ≤0.2 %
碳复合物Carbon Compounds ≤0.04 %
氯Chloride ≤0.002 %
锰Manganese (Mn) ≤5 ppm
硝酸根Nitrate (NO3) ≤0.02 %
硫酸根Sulfate (SO4) ≤0.05 %
钠Sodium (Na) ≤0.1 %
钾Potassium (K) ≤0.05 %
钙Calcium (Ca) ≤0.02 %
铜Copper (Cu) ≤0.05 %
99.995% metals basis:
外观Appearance Black Powder
X-射线衍射分析X-Ray Diffraction Conforms to standard
纯度Purity ≥99.995% Based on Trace Metals Impurities of ICP
ICP Assay Confirms Lead component
痕量金属分析total metallic impurities ≤500ppm by ICP Atomic emission
贮存:
用途:用作氧化剂、电极、蓄电池、分析试剂、火柴等。
联合国编号 1872
Risk: R20/22- R33- R50/53- R61- R62- R8-
Safety : S45- S53- S60- S61-
Hazard : O - T - N -