Sodium Dichromate Rau Dyes Ntau Lawm

Sodium dichromate yog ib qho tseem ceeb tshuaj raw cov khoom raw. Nws yog siv los ua haujlwm hauv kev luam tawm thiab kev lag luam, kev lag luam electroplating thiab kev lag luam tawv. Nws muaj peev xim tshwj xeeb thiab yog dav siv nyob rau hauv iav coloring thiab ntaub dyeing. Siv ua ib qho oxidant rau aniline dyestuff ...

Tsham tam sim no