Sodium Dichromate Rau Pigment Production

Sodium dichromate yog tsuas yog siv rau cov khoom hauv cov xim xws li chrome, chromate daj thiab molybdate liab thiab lwm yam, dav siv hauv coatings, plastics, number case thiab lwm cov khoom pigment. Nws yog tsiag ntawv los ntawm kev tha xim, kev ruaj ntseg zoo thiab lub teeb ua haujlwm. Chrome ntsuab ------ ...

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