Yuav Ua Li Cas Tshem Tawm Impurities Ntawm Nyiaj

Cov txheej txheem:

Yuav Ua Li Cas Tshem Tawm Impurities Ntawm Nyiaj
Yuav Ua Li Cas Tshem Tawm Impurities Ntawm Nyiaj

Video: Yuav Ua Li Cas Tshem Tawm Impurities Ntawm Nyiaj

Video: Yuav Ua Li Cas Tshem Tawm Impurities Ntawm Nyiaj
Video: Yuav Ua Li Cas Thiaj Li Muaj Nyiaj ? 2024, Tej zaum
Anonim

Nws tsis yog qhov nyuaj rau ntxuav cov nyiaj technical ntawm impurities hauv tsev, koj tsuas yog xav ua raws txoj cai kev nyab xeeb. Koj tuaj yeem yuav cov reagents rau cov txheej txheem no hauv cov khw muag khoom kho vajtse.

Yuav ua li cas tshem tawm impurities ntawm nyiaj
Yuav ua li cas tshem tawm impurities ntawm nyiaj

Tsim nyog

  • - ib qho ingot lossis ib qho nyiaj ntawm cov roj tsis muaj nqi;
  • - concentrated nitric acid;
  • - concentrated hydrochloric acid;
  • - sodium bicarbonate (ci dej qab zib);
  • - ib qhov ntawm qhib hluav taws;
  • - lub qhov cub tshwj xeeb lossis lwm yam khoom siv muaj peev xwm tswj tau kub txog 1000 degrees Celsius.

Cov Lus Qhia

Kauj ruam 1

Khaws ib daig nyiaj dawb rau kev ntxuav. Tshem tawm tag nrho cov seem (yas seem, polymers, muaju) ntawm sab saum toj ntawm cov khoom kom raug muab ntxuav. Faib ib daig ntawm cov nyiaj ua tej ntu me me ntawm 1-3 grams.

Kauj ruam 2

Ncuav txog ib diav ntawm 30% (los ntawm ntim) nitric acid rau hauv lub khob ntim. Tam sim no pov thawj koob tshuaj ntawm cov nyiaj rau hauv cov kua qaub thiab tos kom nws yaj tag.

Kauj ruam 3

Txuas ntxiv tom ntej ntawm cov hlau - thiab yog li ntawd, kom txog rau thaum tag nrho cov nyiaj yaj. Acid tuaj yeem muab ntxiv yog tsim nyog. Yog li ntawd, koj yuav tau txais ib qho kev daws teeb meem.

Kauj ruam 4

Sov cov tshuaj tawm mus rau 70 degrees Celsius thiab, nplawm tas li, pib nchuav hauv kaum feem pua hydrochloric acid nyob rau hauv ib kwj. Ib qho nag lossis daus yuav tshwm sim. Txuas ntxiv nplawm thiab ntxiv cov kua qaub kom txog thaum tsis muaj cov ntaub ntawv ua nag lossis daus.

Kauj ruam 5

Txias qhov kev daws teeb meem rau chav tsev kub - cov av yuav nyob hauv qab. Tso lub ntim nrog cov tshuaj tshwm sim thaum hmo ntuj hauv qhov chaw tsaus.

Kauj Ruam 6

Lim thiab qhuav cov txiaj ntsig nag lossis daus. Tom qab ntawd fuse nws nrog sodium bicarbonate (ci dej qab zib) ntawm 1000 degrees Celsius. Siv li 1.5 gram ntawm cov dej qab zib rau ib 1 gram ntawm cov nyiaj.

Kauj Ruam 7

Txias lub yaj. Tam sim no ntxuav cov xim hlau xim ntawm cov quav hniav ntawm nws cov nplaim nrog cov kais dej zoo tib yam.

Pom zoo: