الفصل 28: كيماويات غير عضوية

Double or complex silicates

Cerium compounds

Anhydrous ammonia

Chloride oxides and chloride hydroxides, nesoi

Aluminum hydroxide

Sodium hydrogencarbonate (sodium bicarbonate)

Polyphosphates, nesoi

Aluminum oxide, except artificial corundum, nesoi

Sodium

Magnesium hydroxide and magnesium peroxide

Calcium carbonate

Hydrogen

Phosphinates (hypophosphites) and phosphonates (phosphites)

Potassium phosphate

Oxygen

Silicon, containing by weight less than 99.99% of silicon

Selenium

Alkali or alkaline-earth metals (other than sodium or calcium)

Chlorates, except sodium chlorate, nesoi

Silicon, containing by weight not less than 99.99% of silicon

Oxides, hydroxides and peroxides of strontium or barium

Zinc oxide and zinc peroxide

Calcium hydrogenorthophosphate (dicalcium phosphate)

Earth colors containing 70% or more by weight of combined iron evaluated as fe203

Sodium chlorate

Bismuth nitrate

Hydrogen peroxide, whether or not solidified with urea

Strontium oxide, strontium hydroxide and strontium peroxide

Cobalt oxides and hydroxides; commercial cobalt oxides

Titanium oxides

Disodium carbonate

Barium carbonate

Silver nitrate

Phosphides, whether or not chemically defined, excluding ferrophosphorus

Carbides, nesoi, whether or not chemically defined

Arsenic

Strontium and barium

Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed

Mercury

Oxides of boron; boric acids

Iron oxides and hydroxides

Potassium nitrate

Trisodium phosphate

Sodium triphosphate (sodium tripolyphosphate)

Anhydrous disodium tetraborate (refined borax)

Rare gases, nesoi (other than argon)

Phosphorus

Calcium

Barium oxide, barium hydroxide and barium peroxide

Nitrates, except nitrates of potassium

Phosphates, nesoi

Potassium carbonates

Strontium carbonate

Disodium tetraborate (refined borax), except anhydrous, nesoi

Carbides of silicon, whether or not chemically defined

Carbon, nesoi (including carbon black)

Argon

Boron; tellurium

Perchlorates; bromates and perbromates; iodates and periodates

Nitrites