1.Tus nqi pH yog dab tsi?
Tus nqi pH yog qhov ntsuas ntawm acid-base zog ntawm cov tshuaj. Nws yog ib txoj hauv kev yooj yim los qhia txog qhov concentration ntawm hydrogen ions hauv cov tshuaj (pH=-lg[H ntxiv]). Tus nqi feem ntau yog nyob nruab nrab ntawm 1 thiab 14, nrog rau 7 yog nruab nrab. Cov kua qaub ntau dua, cov nqi qis dua, thiab cov alkaline ntau dua tus nqi.
2. Qhov tseem ceeb ntawm kev kuaj pH
Qhov saum npoo ntawm tib neeg daim tawv nqaij yog ib puag ncig acidic tsis muaj zog nrog pH tus nqi ntawm 5.5 txog 6.0. Acid ib puag ncig tuaj yeem cuam tshuam kev loj hlob thiab kev loj hlob ntawm qee cov kab mob pathogenic, tiv thaiv kev cuam tshuam ntawm cov kab mob sab nraud, thiab tiv thaiv daim tawv nqaij los ntawm kev kis kab mob. pH tus nqi siab tshaj tus qauv dhau acid lossis alkali, qhov tsis muaj zog acidic ib puag ncig ntawm tib neeg lub cev yuav raug rhuav tshem, yog li ua rau tawv nqaij khaus lossis ua xua.
3. Lub hauv paus ntsiab lus ntawm textile pH kuaj
Tom qab cov ntaub ntawv tau muab rho tawm los ntawm cov dej distilled lossis deionized, pH ntawm lawv cov extracts tau txiav txim siab siv lub pH meter nrog iav electrode.
4.Qhov ua rau ntawm textile pH tshaj tus qauv
Kev cuam tshuam ntawm cov dyes hauv kev tsim khoom: feem ntau siv cov dyes reactive, shilin dyes, thiab sulfide dyes yog tsim nyob rau hauv alkaline tej yam kev mob. Txawm hais tias daim ntaub tuaj yeem ntxuav thiab kho kom zoo, nws yuav cuam tshuam los ntawm pH tus nqi ntawm cov dej ntau lawm.
Cov nyhuv ntawm kev luam ntawv thiab dyeing: paj rwb, ntaub plaub, txhob lo lo ntxhuav, polyester, nylon, acrylic thiab lwm yam textiles tom qab refining, dyeing, printing, thiab thiaj li nyob rau ua, ntaub yog residual alkali, acidification XuePin thiab additives, thiab lub hav zoov ntawm txawv pH nqi. , tom qab ntxuav, soaping, acid neutralization, ziab txheej txheem, xws li tom qab ua tiav, yog tias tsis txaus siab ntau npaum ntawm cov tshuaj chiv los yog ntxuav tom qab ua tiav, tuaj yeem ua rau pH qib ntawm textiles, cuam tshuam rau kev ua haujlwm ntawm textiles.
Kev cuam tshuam ntawm cov ntaub: txawv thicknesses ntawm fabrics cuam tshuam tus nqi pH ntawm daim ntaub nto. Cov ntaub nyias nyias yog yooj yim los ntxuav tom qab dyeing, thiab pH tus nqi ntawm daim ntaub nto yog tsawg. Cov ntaub tuab yog qhov nyuaj rau ntxuav tom qab dyeing, thiab pH tus nqi ntawm daim ntaub nto yog qhov siab.
Kev cuam tshuam ntawm kev ua haujlwm tsis raug ntawm cov neeg ua haujlwm hauv chav kuaj: qhov sib txawv qhuav ntawm cov ntaub ntawv xeem, qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab lub sijhawm sib txawv ntawm qhov sib txawv yuav cuam tshuam rau kev txiav txim siab ntawm pH tus nqi ntawm daim ntaub.
5. Kev txhim kho kev ntsuas pH tsis tsim nyog textiles
Acid-base neutralization: acidic thiab alkali neutralization, alkaline thiab acid neutralization, feem ntau siv acid yog acetic acid los yog citric acid, alkali yog dej qab zib tshauv.
dyeing thiab finishing txheej txheem kev txhim kho: ua kom cov dej ntxuav, thiab lwm yam. Xaiv cov khoom zoo raw, dyes, thiab lwm yam, los ntawm qhov chaw los tshem tawm.
