釕粉/釕標準溶液，7440-18-8，Ruthenium

在空氣和潮濕環(huán)境中穩(wěn)定，不溶于酸和王水，溶于熔融的強堿、碳酸鹽、氰化物；加熱到900°C時能與氧反應；加熱時能與氟、氯、溴反應；
微米級粒度的二氧化釕粉末，球狀或樹枝狀。搖實密度1.25～1.5g/cm3。平均粒度<1.0μm，比表面積40～60m2/g。
沸點:　3900℃
熔點：2310℃

 
   品級Grade           Ru-0              Ru-2
釕Ru（%min）          99.99            99.95
雜質含量不大于Impurities（%max）：
Pt                  0.003             0.01
Pd                  0.001             0.002
Rh                  0.001             0.003

釕粉/釕標準溶液，7440-18-8，Ruthenium
Ir                  0.001             0.005
Au                  0.001             0.005
Ag                  0.0005            0.001

Cu                  0.001             0.001
Ni                  0.002             0.005
Fe                  0.003             0.02
Pb                  0.003             0.01
Al                  0.001             0.005
Si                  0.005             0.02
Total               0.01              0.05