Kev siv cov hnab looj tes tiv thaiv zoo li qub
1. Muaj ntau cov hnab looj tes tiv thaiv, uas yuav tsum tau xaiv raws li txoj haujlwm tiv thaiv. Ua ntej tshaj, cov khoom ntawm kev tiv thaiv yuav tsum paub meej, thiab tom qab ntawd ua tib zoo xaiv. Piv txwv li, cov kua qaub-thiab-alkali-cov hnab looj tes tiv taus cov kua qaub ua rau muaj zog (alkali), tsuas yog ua rau cov kua qaub qis (alkali), thiab tiv taus cov kuab tshuaj organic thiab tshuaj lom neeg. Yog li, nws tsis tuaj yeem siv tsis zoo kom tsis txhob muaj xwm txheej.
2. Cov dej tsis qab, kua qaub thiab alkali tiv thaiv cov hnab looj tes yuav tsum tau ua tib zoo saib ua ntej siv los saib seb puas muaj qhov puas. Txoj kev yooj yim yog muab tshuab rau hauv hnab looj tes, nyem lub tes tsho ntawm tes, thiab soj ntsuam seb puas muaj cua to. Nws siv tsis tau yog tias huab cua dim.
3. Cov hnab looj tes tiv thaiv xws li roj hmab thiab yas yuav tsum ntxuav thiab qhuav tom qab siv tas. Zam rau qhov kub siab thaum khaws cia. Sprinkle talcum hmoov rau ntawm qhov khoom kom tiv thaiv kev nplaum.
4. Cov hnab looj tes thaiv yuav tsum tau kuaj xyuas lub ntsuas hluav taws xob ua ntu zus. Cov neeg uas tsis ua raws li cov kev cai siv tsis tau.
5. Kev cuam tshuam los ntawm kev muaj zog oxidizing acids xws li nitric acid, chromic acid, thiab lwm yam, yuav ua rau cov khoom lag luam ua kom tawg, tshem tawm, thiab puas thaum ntxov vim muaj cov oxidation muaj zog. Muaj ntau cov oxidizing acids muaj zog yuav ua rau kub nyhiab, yog li ua tib zoo saib xyuas.
6. Cov hnab looj looj looj cov hnab looj tes tsuas yog tsim rau cov kua qaub qaug zog, tsis muaj tshuaj lom sulfuric acid thiab ntau yam ntsev, thiab yuav tsum tsis txhob raug rau cov muaj zog oxidizing acids (nitric acid, thiab lwm yam).