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Mamwe madhayi (akananga, acid, acidic medium, reactive, etc.) akaomeswa nesimbi ions (copper, cobalt, chromium, nickel ions) kuti aite kirasi yedhayi.Iyo inonyungudika mumvura uye zvigadzirwa zvayo zvekudhaya zvinoshingirira. chiedza chezuva kana kuwacha.Semuenzaniso, chiedza chezuva chakananga chinodzivirira emerald blue GL (Lionolblue GS) uye asidi yakaoma yebhuruu GGN (Acid Complex Blue GGN), nezvimwewo.
1: 2 Metal yakaoma dhayi ine huwandu hwakawanda hwekushandisa, iyo inogona kukamurwa kuita pazasi pasi pekutevera:
a) Zvikumbiro mukuputira (inki, pendi).Semuyenzaniso, ruvara rwehuni, inki yekudhinda, simbi pamusoro pemavara, nezvimwe.
b) Chishandiso mumapurasitiki, anonyanya kushandiswa seyakajeka (fluorescent) colorant yemapurasitiki
c) mashandisirwo akasarudzika, senge bepa rewakisi kana makenduru zvigadzirwa zvemavara, bhutsu polish coloring, dehwe pamusoro pekupfapfaidza ruvara, cosmetics uye kumwe kukara.
1: 2 Metal complex dhayi idhayi inonyungudika mu organic solvents yakadai searomatics, esters, styrene, methyl methopropionate, etc.The organic solvents yakataurwa pamusoro apa inenge isingasviki mumvura.
Mamiriro makuru e1: 2 Metal complex dyes ndeaya: yellow, orenji, tsvuku, bhuruu, dema, uye fluorescent tsvuku (peach) .Panewo dhayi yeMetal yakaoma inonzi 'China Red' pamusika ine mavara akajeka.Iyo inozivikanwa zvakare nezita rekuti National Flag Red.