2814

Ammonia, anhydrous or in aqueous solution.

28141000

 Anhydrous ammonia

28142000

 Ammonia in aqueous solution

2815

Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.

28151100

Sodium hydroxide (caustic soda): Solid

28151200

 In aqueous solution (soda lye or liquid soda)

28152000

 Potassium hydroxide (caustic potash)

28153000

 Peroxides of sodium or potassium

2816

Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium.

28161000

 Hydroxide and peroxide of magnesium

28164000

 Oxides, hydroxides and peroxides, of strontium or barium

2817

Zinc oxide; zinc peroxide.