Sub-Chapter | 2005 | 2007 | 2008 | 2009 |
Fluorine, chlorine, bromine and iodine. | $6,309 | | | $464 |
Sulphur, sublimed or precipitated | | | | $14,252 |
Hydrogen, rare gases and other non-metals. | $17,089 | $223 | $1,260 | $4,725 |
Hydrogen chloride (hydrochloric acid); | $620 | | $1,048 | |
Sulphuric acid; oleum. | $456 | $20,542 | $14,902 | $10,359 |
Diphosphorus pentaoxide; phosphoric acid; | | | | $32,774 |
Other inorganic acids and oxygen compounds | | | $3,378 | |
Ammonia, anhydrous or in aqueous solution. | $115,219 | $10,254 | | |
Sodium hydroxide (caustic soda); | $240,904 | $526,235 | $879,272 | $553,965 |
Chromium oxides and hydroxides. | $2,047 | | | |
Cobalt oxides and hydroxides | | | $433 | |
Titanium oxides. | | $13,198 | | |
Chlorides, chloride oxides and chloride hydroxides | $52,235 | | | $174,596 |
Hypochlorites; commercial calcium hypochlorite | $79,480 | $16,308 | $3,860 | $88,211 |
Dithionites and sulphoxylates. | $19,676 | | | |
Sulphites; thiosulphates. | $468 | | | |
Sulphates; alums; peroxosulphates (persulphates). | $40,761 | $104,989 | $580,040 | $292 |
Nitrites; nitrates. | $286 | | | |
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | | $51,213 | | |
Carbonates; peroxocarbonates (percarbonates) | $33,515 | $28,546 | $39,380 | $9,977 |
Cyanides, cyanide oxides and complex cyanides. | | | $2,232 | |
Silicates; commercial alkali metal silicates. | | $2,092 | | |
Borates; peroxoborates (perborates). | $13,246 | $6,880 | | |
Salts of oxometallic or peroxometallic acids. | $72 | $134 | $561 | |
Isotopes other than those of heading 28.44 | $737 | | | $2,095 |
Hydrogen peroxide, whether or not solidified with urea | | | | $236 |
Carbides, whether or not chemically defined. | | $78,554 | | |
Other inorganic compounds | | $21,125 | | |
Total | $623,120 | $880,293 | $1,526,366 | $891,946 |
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