Oxalic acid ,white powder , used in industy.

Uses: mainly used to produce drugs such as antibiotics and borneol, solvent refining rare metals, dye reducing agent, tanning agent. Can be used to synthesize a variety of oxalate, oxalate, and oxamide and other products. Can also be used for cobalt - molybdenum - catalyst for the production of aluminum, metal and marble cleaning and bleaching agent