الفصل 28: كيماويات غير عضوية

Double or complex silicates

Aluminum hydroxide

Anhydrous ammonia

Sodium hydrogencarbonate (sodium bicarbonate)

Cerium compounds

Chloride oxides and chloride hydroxides, nesoi

Polyphosphates, nesoi

Sodium

Aluminum oxide, except artificial corundum, nesoi

Disodium carbonate

Carbides of silicon, whether or not chemically defined

Oxygen

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

Phosphorus

Hydrogen

Argon

Disodium tetraborate (refined borax), except anhydrous, nesoi

Calcium

Chlorates, except sodium chlorate, nesoi

Magnesium hydroxide and magnesium peroxide

Titanium oxides

Rare gases, nesoi (other than argon)

Silicon, containing by weight less than 99.99% of silicon

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

Perchlorates; bromates and perbromates; iodates and periodates

Calcium carbonate

Boron; tellurium

Selenium

Barium oxide, barium hydroxide and barium peroxide

Oxides, hydroxides and peroxides of strontium or barium

Hydrogen peroxide, whether or not solidified with urea

Nitrates, except nitrates of potassium

Sodium triphosphate (sodium tripolyphosphate)

Silver nitrate

Carbides, nesoi, whether or not chemically defined

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

Mercury

Sodium chlorate

Potassium phosphate

Strontium and barium

Zinc oxide and zinc peroxide

Phosphinates (hypophosphites) and phosphonates (phosphites)

Arsenic

Bismuth nitrate

Calcium hydrogenorthophosphate (dicalcium phosphate)

Potassium carbonates

Strontium carbonate

Phosphides, whether or not chemically defined, excluding ferrophosphorus

Strontium oxide, strontium hydroxide and strontium peroxide

Iron oxides and hydroxides

Cobalt oxides and hydroxides; commercial cobalt oxides

Trisodium phosphate

Phosphates, nesoi

Carbon, nesoi (including carbon black)

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

Nitrites

Barium carbonate

Anhydrous disodium tetraborate (refined borax)

Oxides of boron; boric acids

Potassium nitrate