Cov txheej txheem:
Video: Cov khoom ntxuav dab tsi yog cov kua qaub?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Qee cov khoom siv tu tsev uas muaj acidic pH yog:
- Dej nyuaj/ntxhia tso nyiaj tshem tawm.
- Lub tais dej cov tshuaj ntxuav tsev .
- Rust stain removers.
- Tub thiab pobzeb cov tshuaj ntxuav tsev .
- Pwm tshem tawm.
Tsis tas li ntawd, cov khoom ntxuav dab tsi muaj cov kua qaub?
Cov tshuaj ntxuav me ntsis acidic suav nrog kua txiv (acetic acid) thiab kua txiv qaub (citric acid). Cov tshuaj ntxuav me me ua los ntawm cov kua qaub no muaj kev nyab xeeb rau siv ib puag ncig menyuam yaus thiab tsiaj. Lwm cov kua qaub feem ntau pom hauv cov khoom siv tu tsev.
Tom qab ntawd, lo lus nug yog, 4 pawg ntawm cov tshuaj ntxuav yog dab tsi? Muaj plaub hom tseem ceeb ntawm cov tshuaj ntxuav uas siv hauv chav ua noj ua haus:
- Detergents.
- Degreasers.
- Abrasives.
- Cov kua qaub.
Dhau li, dab tsi yog pH ntawm cov khoom tu?
Xaiv qhov tsim nyog pH
| Hom tshuaj ntxuav | pH ntau | Av |
|---|---|---|
| Cov kua qaub me me | 2-5.5 | Inorganic ntsev, dej soluble hlau complexes |
| Nruab nrab | 5.5-8.5 | Cov roj teeb, cov khoom me me |
| Me me alkaline | 8.5-11 | Roj, particulates, zaj duab xis |
| Alkaline | 11.5-12.5 | Roj, rog, proteins |
Puas yog Lub Tshuab Ntxhua Khaub Ncaws yog cov kua qaub lossis cov hauv paus?
Ntau tu cov khoom, xws li xab npum thiab qhov cub nqus tsev , yog hauv paus . Bases neutralize (tso tseg) cov kua qaub . Alkalis yog hauv paus uas yaj hauv dej. Muaj zog hauv paus , xws li tshuaj dawb, yog corrosive thiab hlawv daim tawv nqaij.
Pom zoo:
Koj ua li cas ntxuav cov xeb tawm ntawm cov roj teeb kua qaub?
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