Yuav ua li cas ntxuav lub ci sulfuric acid tooj liab plating tov rau hluav taws xob cua sov raj?

Yuav ua li cas ntxuav lub ci sulfuric acid tooj liab plating tov rau hluav taws xob cua sov raj?

97. Cov txiaj ntsig ntawm chloride ions nyob rau hauv ci sulfuric acid tooj liab plating tov yog dab tsi?

Teb: Nyob rau hauv ib tug kaj acidic tooj liab plating tov, me me ntawm chloride ions yuav tsum tam sim no kom tau ib tug tag nrho ci txheej. Nws cov ntsiab lus feem ntau tswj tau ntawm 10-80 milligrams ib liter. Yog tias cov ntsiab lus qis dhau lawm, qhov kev ua tau zoo ntawm cov txheej txheem plating thiab qhov ci ntawm cov txheej yuav txo qis, thiab nws yooj yim los tsim cov ceg ntoo thiab kab txaij. Hauv qhov xwm txheej hnyav, txheej txheej yuav ntxhib nrog pinholes, lossis txawm tias hlawv. Thaum nws siab dhau lawm, qhov ci ntsa iab ntawm cov txheej yuav txo qis thiab qhov chaw qis tam sim no tsis pom kev. Chloride ions tuaj yeem muab ntxiv rau hauv daim ntawv ntawm hydrochloric acid lossis tooj liab chloride tov. Vim tias tooj liab sulfate thiab activated carbon feem ntau siv hauv kev lag luam muaj cov tshuaj chloride ions me me, nws tsis tas yuav ntxiv cov tshuaj chloride ions ntxiv thaum npaj cov kev daws teeb meem tshiab. Thaum muaj cov tshuaj chloride ntau dhau hauv cov tshuaj plating, cov nyiaj carbonate tuaj yeem siv los kho nws raws li cov dej nag ntawm cov nyiaj chloride, uas tuaj yeem lim thiab tshem tawm.

Yuav ua li cas ntxuav lub ci sulfuric acid tooj liab plating tov?

Teb: Tom qab siv lub sijhawm ntev, yog tias cov tshuaj plating ua turbid thiab tsis tuaj yeem ncav cuag qib qub tom qab ntxiv lub teeb ci, cov tshuaj plating yuav tsum tau ua kom huv. Cov txheej txheem yog raws li nram no: kub lub plating tov rau saum toj no 50 degree, ntxiv 1-2 milliliters/liter ntawm 30 feem pua ​​hydrogen peroxide nyob rau hauv stirring, do kom huv si rau li 1 teev, maj mam ntxiv 3-5 grams/liter ntawm activated carbon, txuas ntxiv stirring rau 1 teev, cia nws sawv ntsug ib hmos, thiab lim. Cov tshuaj kho plating yog lim, Ntau yam brighteners yuav tsum tau ntxiv raws li cov ntsiab lus tseem ceeb. Yog tias tooj liab sulfate yuav tsum tau ntxiv thaum kho cov tshuaj plating, nws yuav tsum tau yaj hauv dej ua ntej, kho nrog hydrogen peroxide thiab cov pa roj carbon activated, thiab tom qab ntawd ntxiv rau cov tshuaj plating kom txo tau cov hlau thiab cov organic impurities.

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