Yuav ua li cas ua ammonium molybdate reagent?
Yuav ua li cas ua ammonium molybdate reagent?

Video: Yuav ua li cas ua ammonium molybdate reagent?

Video: Yuav ua li cas ua ammonium molybdate reagent?
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Dissolve 1.0 g ntawm ammonium molybdate Hauv 100 ml ntawm 2 M H2SO4. Kev daws (2). Dissolve 0.10 g ntawm hydrazine sulfate hauv 100 ml dej. Tam sim ntawd ua ntej siv, sib tov 10 ml ntawm daws (1) nrog 10 ml ntawm daws (2), dilute rau 100 ml nrog dej.

Hais txog qhov no, dab tsi yog ammonium molybdate siv rau?

Ammonium molybdate yog siv nyob rau hauv ntau yam sectors: rau decorate ceramics, nyob rau hauv tshuaj ntsuam xyuas kom pom muaj phosphates, arsenic, txhuas. Hauv kev lag luam tshuaj raws li qhov chaw ntawm molybdenum ions.

Tsis tas li ntawd, puas yog ammonium molybdate soluble hauv dej? Acid ntsev, xws li AMMONIUM MOLYBDATE , yog feem ntau soluble nyob rau hauv dej . Cov kev daws teeb meem muaj qhov nruab nrab ntawm cov hydrogen ions thiab muaj pH tsawg dua 7.0. Lawv react li acids rau neutralize bases.

Tom qab ntawd, ib tug kuj yuav nug, ua li cas koj ua reagents?

Cov txheej txheem kev coj ua yog siv cov dej distilled lossis dej deionized rau npaj feem ntau reagent kev daws teeb meem. Ntau yam ntawm no reagents yog txaus buffered rau kev tswj tshwj xeeb hydrogen ion concentration ntsuas los ntawm pH ntawm cov tshuaj.

Yuav ua li cas yaj ammonium oxalate?

Dissolve cov calcium oxalate noj los ntawm lim nrog ib tug me me ntawm kub dilute hydrochloric acid. Ntxiv 100 ml ntawm 3 N sulfuric acid, kub rau ib tug kub ntawm 60-70 ° thiab titrate nrog standard 0.1 N poov tshuaj permanganate daws.

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