2836 Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate

2836.20 Carbonates; disodium carbonate

• 2836.20.00.00 Disodium carbonate4%

2836.30 Carbonates; sodium hydrogen carbonate (sodium bicarbonate)

• 2836.30.00.00 Sodium hydrogencarbonate (sodium bicarbonate)4%

2836.40 Carbonates; potassium carbonate

• 2836.40.00.00 Potassium carbonates4%

2836.50 Carbonates; calcium carbonate

• 2836.50.00.00 Calcium carbonate4%

2836.60 Carbonates; barium carbonate

• 2836.60.00.10 Barium carbonate with a strontium content of more than 0,07% by weight and a sulphur content of more than 0,0015% by weight, whether in powder, pressed granular or calcined granular form4%
• 2836.60.00.90 Other4%

2836.91 Carbonates; lithium carbonate

• 2836.91.00.20 Lithium carbonate, containing one or more of the following impurities at the concentrations indicated: - 2 mg/kg or more of arsenic, - 200 mg/kg or more of calcium, - 200 mg/kg or more of chlorides, - 20 mg/kg or more of iron, - 150 mg/kg or more of magnesium, - 20 mg/kg or more of heavy metals, - 300 mg/kg or more of potassium, - 300 mg/kg or more of sodium, - 200 mg/kg or more of sulphates, determined according to the methods specified in the european pharmacopœia4%
• 2836.91.00.90 Other4%

2836.92 Carbonates; strontium carbonate

• 2836.92.00.00 Strontium carbonate4%

2836.99 Carbonates; n.e.c. in heading no. 2836 and other than lithium or strontium

• Carbonates
• 2836.99.11.00 Of magnesium; of copperFree
• Other
• 2836.99.17.30 Zirconium (iv) basic carbonate (cas rn 57219-64-4 or 37356-18-6) with a purity by weight of 96 % or more4%
• 2836.99.17.80 Other4%
• 2836.99.90.00 Peroxocarbonates (percarbonates)4%