Sub-Chapter | 2005 | 2006 | 2007 |
Fluorine, chlorine, bromine and iodine. | | | $7,880 |
Carbon | | $17,031 | $1,193,254 |
Hydrogen, rare gases and other non-metals. | $5,354 | $1,410 | $1,210 |
Oxides of boron; boric acids. | $148 | | $21 |
Other inorganic acids and oxygen compounds | $145 | $132 | $85 |
Ammonia, anhydrous or in aqueous solution. | $48,523,028 | $40,811,991 | $39,508,364 |
Sodium hydroxide (caustic soda); | $45,725 | $34,094 | $62,909 |
Lead oxides; red lead and orange lead. | $25,980 | | |
Hydrazine and hydroxylamine and their inorganic salts | | | $4,295 |
Chlorides, chloride oxides and chloride hydroxides | | $489 | |
Chlorates and perchlorates; bromates and perbromates | | | $22,458 |
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | $21,810 | $6,680 | |
Carbonates; peroxocarbonates (percarbonates) | $42 | | |
Silicates; commercial alkali metal silicates. | | $157,785 | |
Colloidal precious metals | | $389,091 | $3,456 |
Radioactive chemical elements and radioactive isotopes | $96,386 | $41,690 | $285,223 |
Carbides, whether or not chemically defined. | | | $4,087 |
Total | $48,718,618 | $41,460,393 | $41,093,242 |
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