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Химия

A branch of physical science that is concerned with the study of matter and energy and how they interact.

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Химия > Неорганическая химия

триоксид висмута
Химия; Неорганическая химия

Bi 2 O 3 A yellow powder; melting point 820_C; insoluble in water, dissolves in acid; used to make enamels and to color ceramics. Also known as bismuth oxide; bismuth yellow.

оксид лантана
Химия; Неорганическая химия

La 2 O 3 A white powder melting at about 2000_C; soluble in acid, insoluble in water; used to replace lime in calcium lights and in optical glass. Also known as lanthana; ...

фосфат калия
Химия; Неорганическая химия

Any one of three orthophosphates of potassium. The monobasic form, KH 2 PO 4 , consists of colorless, water-soluble crystals melting at 253_C; used in sonar transducers, optical ...

диоксид титана
Химия; Неорганическая химия

TiO 2 A white, water-insoluble powder that melts at 1560_C, and which is produced commercially from the titanium dioxide minerals ilmenite and rutile; used in paints and ...

бисульфат
Химия; Неорганическая химия

A compound that has the HSO 4 _ radical; derived from sulfuric acid.

сульфат лантана
Химия; Неорганическая химия

La 2 (SO 4 ) 3 _9H 2 O White crystals; slightly soluble in water, soluble in alcohol; used for atomic weight determinations for lanthanum.

гидрид титана
Химия; Неорганическая химия

TiH 2 A black metallic powder whose dust is an explosion hazard and which dissociates above 288_C; used in powder metallurgy, hydrogen production, foamed metals, glass solder, ...

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