... water ,Non-toxic, odorless ,Readily soluble in inorganic acids, solublein carbonate salt solution, insoluble in water..Applications Processing automobile exhaust, coating ... -proofing agent for building material, ceramics, etc.Specification Zirconium basic carbonate SPEC ITEMZBC- IZBC- IIZBC- IIIZBC- IVZrO2 +HfO238-40%38-40 ... %maxPH 7.0min3.5-4.53.5-4.5 zirconium carbonate