الفصل 28: كيماويات غير عضوية

Double or complex silicates

Anhydrous ammonia

Cerium compounds

Chloride oxides and chloride hydroxides, nesoi

Aluminum hydroxide

Sodium hydrogencarbonate (sodium bicarbonate)

Polyphosphates, nesoi

Oxygen

Sodium

Magnesium hydroxide and magnesium peroxide

Hydrogen

Calcium

Aluminum oxide, except artificial corundum, nesoi

Silicon, containing by weight less than 99.99% of silicon

Selenium

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

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

Phosphorus

Titanium oxides

Nitrates, except nitrates of potassium

Argon

Oxides, hydroxides and peroxides of strontium or barium

Sodium chlorate

Chlorates, except sodium chlorate, nesoi

Phosphinates (hypophosphites) and phosphonates (phosphites)

Potassium phosphate

Calcium carbonate

Rare gases, nesoi (other than argon)

Strontium and barium

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

Calcium hydrogenorthophosphate (dicalcium phosphate)

Sodium triphosphate (sodium tripolyphosphate)

Arsenic

Strontium oxide, strontium hydroxide and strontium peroxide

Zinc oxide and zinc peroxide

Iron oxides and hydroxides

Disodium carbonate

Disodium tetraborate (refined borax), except anhydrous, nesoi

Hydrogen peroxide, whether or not solidified with urea

Carbides, nesoi, whether or not chemically defined

Boron; tellurium

Mercury

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

Cobalt oxides and hydroxides; commercial cobalt oxides

Bismuth nitrate

Potassium carbonates

Anhydrous disodium tetraborate (refined borax)

Phosphides, whether or not chemically defined, excluding ferrophosphorus

Carbon, nesoi (including carbon black)

Barium oxide, barium hydroxide and barium peroxide

Perchlorates; bromates and perbromates; iodates and periodates

Phosphates, nesoi

Carbides of silicon, whether or not chemically defined

Oxides of boron; boric acids

Nitrites

Potassium nitrate

Trisodium phosphate

Barium carbonate

Silver nitrate

Strontium carbonate