Xov xwm

Weeds tswj nyob rau hauv hom qoob mog: thaum lub sij hawm tom qab lub caij ntuj no ntsuab rov qab lub sij hawm ntawm lub caij ntuj no hom qoob mog los yog lub sij hawm ntawm lub ncov tillering thee...

Kev sib cuag ntawm daim tawv nqaij: Phenol muaj qee qhov kev corrosiveness rau tib neeg daim tawv nqaij. Yog hais tias nws yuam kev los rau hauv kev sib cuag nrog phenol ntawm daim tawv nqaij, nws ...

Phenol yog ib qho tshuaj tua kab mob uas nquag siv thiab khaws cia hauv tsev kho mob. Nyob rau hauv cov huab cua, nws yog oxidized rau liab benzoquinone, uas yog volatile thiab muaj ib tug nruab nr...

Phenol yog ib qho tseem ceeb raw khoom nyob rau hauv industrial ntau lawm rau zus tau tej cov resins, spices, coatings, fungicides, preservatives, thiab tshuaj xws li tshuaj aspirin.

Phenol yog ib qho organic compound uas yog xim tsis muaj koob zoo li siv lead ua nrog cov ntxhiab tsw tshwj xeeb. Thaum raug huab cua ntev, qee qhov chaw yuav oxidize thiab tshwm liab.

1. Khaws rau hauv qhov chaw txias thiab cua txias.
2. Nws yuav tsum tau muab cais los ntawm oxidants thiab edible tshuaj, thiab sib tov cia yuav tsum tau zam.

1. Cov neeg ua haujlwm yuav tsum tau txais kev cob qhia tshwj xeeb thiab ua raws li cov txheej txheem kev khiav haujlwm.
2. Kev khiav hauj lwm thiab kev pov tseg yuav tsum tau ua nyob rau hauv c...

Nws tseem tuaj yeem siv los ua cov tshuaj tiv thaiv icing los hloov cov chlorides xws li calcium chloride thiab magnesium chloride. Nws muaj tsawg dua erosive thiab corrosive los ntawm cov av, thia...

Sodium dehydroacetate yog khoom noj khoom noj khoom haus, ib tiam tshiab ntawm cov zaub mov preservatives tom qab sodium benzoate, nipagin, thiab poov tshuaj sorbate.

Cim: Xim tsis muaj xim lossis dawb crystalline hmoov. Nws muaj cov ntxhiab tsw alkaline thiab nws yooj yim rau deliquescence.
Relative ntom: 1.57g / cm ^ 3 (khoom) 25 degree C (lit.)

Benzalkonium chloride yog ib qho cationic surfactant, teej tug mus rau qeb ntawm non oxidizing fungicides. Nws muaj qhov dav dav thiab muaj peev xwm tua cov kab mob bactericidal thiab algal, zoo ts...

Kev ceev faj cia: Khaws rau hauv qhov chaw txias, qhuav, thiab qhov cua zoo. Khaws kom deb ntawm qhov hluav taws kub thiab qhov chaw kub. Khaws lub thawv kaw.