 |
Physicochemical properties
Lead grey to black solid powder, slippery on contact, odourless, belongs to hexagonal crystal system or rhombohedral crystal system, similar to graphite, with metallic luster. Relative density 5.06 (d1515) or 4.80 (d254), melting point 1185 ° C, Mohs hardness 1.0 ~ 1.5. Insoluble in water, dilute acid, can be concentrated sulfuric acid, concentrated nitric acid, boiling concentrated hydrochloric acid,
Packaging
Bottle: 1kg/bottle, vacuum packed with aluminium composite film outside the bottle;
Storage method.
Room temperature, sealed from light, ventilated dry place.
Physicochemical properties
Lead grey to black solid powder, slippery on contact, odourless, belongs to hexagonal crystal system or rhombohedral crystal system, similar to graphite, with metallic luster. Relative density 5.06 (d1515) or 4.80 (d254), melting point 1185 ° C, Mohs hardness 1.0 ~ 1.5. Insoluble in water, dilute acid, can be concentrated sulfuric acid, concentrated nitric acid, boiling concentrated hydrochloric acid,
Packaging
Bottle: 1kg/bottle, vacuum packed with aluminium composite film outside the bottle;
Storage method.
Room temperature, sealed from light, ventilated dry place.
