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| Sub-Chapter | 2005 | 2006 |
| Fluorine, chlorine, bromine and iodine. | $1,092,028 | $1,110,787 |
| Sulphur, sublimed or precipitated | $5,620 | $2,811 |
| Carbon | $363,419 | $75,653 |
| Hydrogen, rare gases and other non-metals. | $254,590 | $235,035 |
| Alkali or alkaline-earth metals; | $97,508 | $138,140 |
| Hydrogen chloride (hydrochloric acid); | $269,239 | $80,024 |
| Sulphuric acid; oleum. | $31,601,126 | $24,220,098 |
| Nitric acid; sulphonitric acids. | $29,372 | $61,985 |
| Diphosphorus pentaoxide; phosphoric acid; | $563,021 | $473,553 |
| Oxides of boron; boric acids. | $29,024 | $60,256 |
| Other inorganic acids and oxygen compounds | $685,128 | $1,183,602 |
| Halides and halide oxides of non-metals. | $25,974 | $16,154 |
| Sulphides of non-metals; commercial phosphorus trisulphide. | $4,346 | $975 |
| Ammonia, anhydrous or in aqueous solution. | $36,538,915 | $32,737,659 |
| Sodium hydroxide (caustic soda); | $3,545,576 | $2,694,282 |
| Hydroxide and peroxide of magnesium; | $2,312 | $1,313 |
| Zinc oxide; zinc peroxide. | $368,215 | $390,718 |
| Artificial corundum, whether or not chemically defined; | $427,201 | $712,901 |
| Chromium oxides and hydroxides. | $14,166 | $6,370 |
| Manganese oxides. | $65,797 | $94,459 |
| Iron oxides and hydroxides | $419 | $94,840 |
| Cobalt oxides and hydroxides | $6,252 | $4,038 |
| Titanium oxides. | $273,208 | $333,176 |
| Lead oxides; red lead and orange lead. | $132,013 | |
| Hydrazine and hydroxylamine and their inorganic salts | $267,038 | $161,119 |
| Fluorides; fluorosilicates and other complex fluorine salts. | $122,380 | $82,795 |
| Chlorides, chloride oxides and chloride hydroxides | $1,564,126 | $1,386,469 |
| Hypochlorites; commercial calcium hypochlorite | $396,263 | $399,385 |
| Chlorates and perchlorates; bromates and perbromates | $189,813 | $92,028 |
| Sulphides; polysulphides | $3,371,812 | $4,102,762 |
| Dithionites and sulphoxylates. | $151,659 | $919 |
| Sulphites; thiosulphates. | $354,481 | $1,193,212 |
| Sulphates; alums; peroxosulphates (persulphates). | $2,500,969 | $5,280,421 |
| Nitrites; nitrates. | $301,827 | $621,092 |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | $6,998,199 | $8,376,589 |
| Carbonates; peroxocarbonates (percarbonates) | $1,505,198 | $1,197,110 |
| Cyanides, cyanide oxides and complex cyanides. | $304,635 | $154,862 |
| Fulminates, cyanates and thiocyanates. | $93,908 | $141,628 |
| Silicates; commercial alkali metal silicates. | $591,300 | $641,679 |
| Borates; peroxoborates (perborates). | $77,802 | $94,127 |
| Salts of oxometallic or peroxometallic acids. | $73,292 | $106,373 |
| Other salts of inorganic acids or peroxoacids | $28,144 | $147,799 |
| Colloidal precious metals | $722,227 | $461,668 |
| Radioactive chemical elements and radioactive isotopes | $675,796 | $516,385 |
| Isotopes other than those of heading 28.44 | $1,019 | $880 |
| Compounds, inorganic or organic, of rare-earth metals | $84,181 | $1,592 |
| Hydrogen peroxide, whether or not solidified with urea | $703,010 | $294,888 |
| Carbides, whether or not chemically defined. | $1,121,656 | $381,581 |
| Hydrides, nitrides, azides, silicides and borides | $1,240 | $14,361 |
| Other inorganic compounds | $38,686 | $6,633 |
| Total | $98,635,130 | $90,587,186 |
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