Purified 

Purified 

Purified 

CsNO3,wt% min

99.5

99.5

99.5

Impurity

,

wt% max

Loss on drying

0.5

------

------

Cl

0.002

0.002

0.001

SO4

0.01

0.005

0.002

Ca

0.01

0.005

0.001

Mg

0.01

0.005

0.0005

Fe  

0.001

0.001

0.0001

Na

0.002

0.001

0.0005

K

------

0.005

------

Heavy metals (as Pb)

0.002

0.001

------

Rb

------

0.005

0.001

Al

------

0.001

0.0001

SiO2

------

0.002

0.002

Li

------

0.001

0.0005