الفصل 28: كيماويات غير عضوية

Polyphosphates, nesoi

Aluminum hydroxide

Sodium hydrogencarbonate (sodium bicarbonate)

Double or complex silicates

Sodium triphosphate (sodium tripolyphosphate)

Cerium compounds

Anhydrous ammonia

Chloride oxides and chloride hydroxides, nesoi

Aluminum oxide, except artificial corundum, nesoi

Zinc oxide and zinc peroxide

Phosphorus

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

Argon

Disodium tetraborate (refined borax), except anhydrous, nesoi

Calcium

Oxygen

Rare gases, nesoi (other than argon)

Carbides, nesoi, whether or not chemically defined

Titanium oxides

Carbides of silicon, whether or not chemically defined

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

Anhydrous disodium tetraborate (refined borax)

Strontium and barium

Nitrates, except nitrates of potassium

Disodium carbonate

Potassium hydroxide (caustic potash)

Chlorates, except sodium chlorate, nesoi

Nitrites

Phosphates, nesoi

Barium carbonate

Sodium

Calcium carbonate

Bismuth nitrate

Salts of oxometallic or peroxometallic acids, nesoi

Carbon, nesoi (including carbon black)

Sodium chlorate

Hydrogen peroxide, whether or not solidified with urea

Mercury

Selenium

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

Phosphides, whether or not chemically defined, excluding ferrophosphorus

Silicon, containing by weight less than 99.99% of silicon

Potassium phosphate

Boron; tellurium

Cobalt oxides and hydroxides; commercial cobalt oxides

Strontium carbonate

Hydrogen

Arsenic

Phosphinates (hypophosphites) and phosphonates (phosphites)

Calcium hydrogenorthophosphate (dicalcium phosphate)

Potassium carbonates

Silver nitrate

Barium oxide, barium hydroxide and barium peroxide

Magnesium hydroxide and magnesium peroxide

Oxides, hydroxides and peroxides of strontium or barium

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

Manganese dioxide

Trisodium phosphate

Potassium nitrate

Silicon dioxide