Sodium Dichromate Rau Graphite Ntau Lawm

Sodium dichromate, ua ib qho oxidant muaj zog, nws tuaj yeem ua kom sib ntau thaum sib cuag, rubs thiab hits tawm tsam cov teeb meem ntawm cov organic. Nws yog corrosive thiab yooj yim txo rau trivalent chromium. Nws tseem ruaj khov; cov kev cai txwv tsis pub muaj xws li muaj kev txo hwj chim, cawv, dej, cov hmoov hlau uas muaj hlau, ...

Tsham tam sim no