Plli2-2 . 1000 ppm lithium icp std in 2-5 percent hno3, li2co3 in 2-5 percent hno3, 1,000 ug/ml, available as lithium icp standard in 2-5 percent hno3, li2co3 in 2-5 percent hno3, 1,000 ug/ml, is a certified reference material set in a nitric acid. Traditionally, large chinese producers of lithium carbonate focused on the domestic market on account of its accelerating growth and a costly 16-17% vat and export tax. during the december quarter china had become a net exporter of lithium carbonate for the first time in over eight years, further encouraged by a price arbitrage toward the seaborne market and a reduction in the vat u2026 Alibaba offers 139 lithium carbonate li2o3 products. about 40% of these are carbonate, 2% are other chemicals. a wide variety of lithium carbonate li2o3 options are available to you, such as grade standard. This causes an increase in the stability of alkali carbonates. however, lithium carbonate is not so stable to heat. this is because lithium carbonate is covalent. lithium ion, being very small in size, polarizes a large carbonate ion, leading to the formation of more stable lithium oxide.