Idan aka sanyaya masakar da aka rina da rini mai warwatse a cikin kwandon rini sannan a yi gwaji a kuma daidaita ta da samfurin launi na yau da kullun, idan an wanke masakar da aka rina kuma an yi mata magani, launinta ya ɗan bambanta da na samfurin yau da kullun, ana iya amfani da gyaran launi don gyara ta. Idan bambancin launin ya yi yawa, dole ne a yi la'akari da bare da sake yin tabo.

Gyaran launi
Ga masaku masu ɗan ƙaramin rashin daidaiton launi, ana iya amfani da waɗannan hanyoyin: Idan aka rage yawan gajiya kuma rini mai yawa ya kasance a cikin ruwan da ya rage, ana iya daidaita shi ta hanyar tsawaita lokacin rini ko ƙara zafin rini. Idan zurfin rini ya ɗan fi girma, ana iya gyara wannan bambancin launi ta hanyar ƙara surfactants da daidaita su.

1.1 Hanyoyin gyara launi
Kafin a gyara launin, dole ne a fahimci launin yadin da aka rina da kuma yanayin maganin rini. Ana iya amfani da waɗannan hanyoyin don gyara launin:
(1) Babu buƙatar cire abin da aka rina daga cikin kwandon rini, kawai a sanyaya ruwan rini zuwa 50 ~ 70℃, sannan a ƙara rini don gyara launi da aka shirya yadda ya kamata;
Sai a dumama don rini.
(2) Ana sauke masakar da aka rina daga injin rini, sannan a jefa ta cikin wata na'urar rini, sannan a yi aikin rini ta hanyar rini mai tafasa da kuma hanyar rini mai jagora.

1.2 Halayen rini na gyaran launi
Ana ba da shawarar cewa rini da ake amfani da su don gyaran launi su sami waɗannan halaye: (1) Rini ba zai shafi rini ba kuma ya zama rini a hankali. Lokacin da aka gudanar da aikin gyaran launi, adadi mai yawa na anionic surfactant da ke cikin rini ya kasance a cikin ruwan rini, kuma ƙaramin adadin rini na gyaran launi zai samar da tasirin rini a hankali saboda kasancewar surfactant. Saboda haka, dole ne a zaɓi rini don gyaran launi waɗanda surfactants ba sa shafar su cikin sauƙi kuma suna da tasirin rini a hankali.
(2) Rini masu dorewa waɗanda ba sa shafar hydrolysis da reductive ruɓewa cikin sauƙi. Rini don gyaran launi, idan aka yi amfani da shi a gyaran launi mai haske sosai, rini yana iya narkewa cikin sauƙi ko ya narke ta hanyar raguwa. Saboda haka, dole ne a zaɓi rini waɗanda waɗannan abubuwan ba su shafe su ba.
(3) Rini masu kyawawan halayen daidaita launi. Dole ne su kasance suna da kyakkyawan ikon rini don samun tasirin rini mai daidaito.
(4) Rini masu sauƙin haske. Yawan rini da ake amfani da shi don gyaran launi yawanci ƙanƙanta ne. Saboda haka, saurin sublimation da kuma juriyar danshi suna da matuƙar muhimmanci, amma ba gaggawa kamar saurin haske ba. Gabaɗaya, rini da ake amfani da su don gyaran launi ana zaɓar su ne daga rini da aka yi amfani da su a cikin tsarin rini na asali. Duk da haka, waɗannan rini wani lokacin ba sa cika sharuɗɗan da ke sama. A wannan yanayin, ana ba da shawarar a zaɓi waɗannan da suka dace da gyaran launi.
rini:
CI (Ma'aunin Rini): Rawaya Rawaya 46; Rawaya Ja 06; Rawaya Ja 146; Rawaya Ja 25; Rawaya Ja 23; Rawaya Shudi 56.

Barewa da sake yin tabo

Idan launin yadin da aka rina ya bambanta da samfurin da aka saba amfani da shi, kuma ba za a iya gyara shi ta hanyar gyara launi ko rini mai tsari ba, dole ne a cire shi a sake rina shi. Zaren poly-cool yana da tsarin kristal mai girma. Don haka ba zai yiwu a yi amfani da hanyoyi na yau da kullun don cire launin gaba ɗaya ba. Duk da haka, ana iya cimma wani matakin barewa, kuma ba lallai ne a bare shi gaba ɗaya ba lokacin sake rina da gyara launin.

2.1 Sashe na wakilin cirewa
Wannan hanyar cirewa tana amfani da ƙarfin hana ruwa shiga na surfactants don cire launin. Duk da cewa tasirin cirewa ƙarami ne, ba zai lalata rini ko lalata yanayin yadin da aka rina ba. Yanayin cirewa na yau da kullun sune: taimako: nonionic surfactant 1 anionic surfactant 2~4L, zafin jiki: 130℃, Q: 30~60min. Duba Tebur 1 don aikin cirewa.

2.2 Maido da bawon da ya lalace
Wannan hanyar barewa ita ce a dumama masakar da aka rina a gefen watsa zafi don cire launin, sannan a yi amfani da wani abu mai ragewa don lalata rini da ya ruɓe, sannan a raba ƙwayoyin rini da suka ruɓe daga masakar zare gwargwadon iko. Tasirin barewarsa ya fi na ɓangaren barewa. Duk da haka, har yanzu akwai matsaloli da yawa tare da wannan hanyar barewa. Kamar sake haɗa ƙwayoyin rini da suka lalace da suka ruɓe; launin bayan barewa zai bambanta sosai da launin asali. Jin hannu da rini mai yawa na masakar da aka rina zai canza; ramukan rini a kan zare za su ragu, da sauransu.
Saboda haka, ana amfani da hanyar rage cirewa ne kawai lokacin da ba za a iya gyara cirewa na baya cikin gamsuwa ba. Tsarin rage launi shine kamar haka:
Maganin jagorar rini (galibi nau'in emulsion) 4g/L
Maganin aiki na saman ionic mara (anionic) 2g/L
Soda mai kaustic (35%) 4ml/L
Foda ta inshora (ko Dekuling) 4g/L
Zafin jiki 97~100℃
Lokaci Minti 30

2.3 Hanyar barewar iskar oxygen
Wannan hanyar cirewa tana amfani da iskar oksaydh don wargaza rini don cire shi, kuma tana da tasirin cirewa mafi kyau fiye da hanyar rage cirewa. Umarnin tsarin cirewa oxidation shine kamar haka:
Maganin jagorar rini (galibi nau'in emulsion) 4g/L
Acid na Formic (formic acid) 2ml/L
Sodium chlorite (NaCLO2) 23g/L
Mai daidaita sinadarin chlorine 2g/L
Zafin jiki 97~100℃
Lokaci Minti 30

2.4 Tabo mai nauyi
Ana iya amfani da hanyoyin rini da aka saba amfani da su don sake rina masakar da aka cire, amma dole ne a fara gwada rini na masakar da aka yi rini, wato, dole ne a yi aikin rini na samfurin ɗakin samfurin. Domin aikin rini na iya zama mafi girma fiye da haka kafin ya bare.

A taƙaice

Idan ana buƙatar barewar launi mafi inganci, ana iya cire fata da kuma cire ta farko, sannan a rage barewar. Saboda rage barewar da kuma barewar iskar oxygen zai sa masakar da aka rina ta yi kumbura, wanda zai sa masakar ta ji kamar ta yi kauri da tauri, dole ne a yi la'akari da shi sosai a cikin ainihin tsarin samarwa, musamman barewar launuka daban-daban da aka nuna a cikin Jadawali na 1. Aikin launi. A ƙarƙashin ra'ayin cewa daidaita launi zai iya kaiwa ga samfurin launi na yau da kullun, galibi ana amfani da hanyar gyara mai laushi. Ta wannan hanyar ne kawai za a iya lalata tsarin zare, kuma ƙarfin yagewar masakar ba zai ragu sosai ba.