CAS Number: 1314-98-3
Molecular Formula: ZnS
Molecular Weight: 97.43
Chemical Specifications:
Appearance: pure white powder
Purity: 97% min.
PH value of extracted solution: 3 min
Conductance of extracted solution: 400us/cm max
Center granularity: 4.0u¡À1.0u
Impurity content:
Fe: 0.5ppm max Pb: 0.6ppm max Cu: 0.1ppm max
Ni: 0.2ppm max Mn: 0.3ppm max Cd: 0.1ppm max
Chlorine content: 30ppm max
Water content: 2% max
Physical Specifications:
Density is 4.04-4.102, resolve and darken under daylight, not dissolving in water, acid and alkali.
Package: In 25Kg woven bag or according to customer¡¯s request.
Use: Infrared window material of hot pressing, make black-and-white and color TV phosphor powder, and also make the phosphor powder of other sulphides.