Ukuba ingqekembe ayinqabile okanye i-rarity, kungcono ukuyinika inkosi ukuba iqhutywe. Kodwa unokuzama ukuwuhlamba ekhaya. Nangona ku funeka kuqatshelwe, ukuba i-coating kwi-coin isicacile, kwaye isinyithi asizange sithinte ukubola, ngoko akufanelekanga ukulwa ne patina. Emva koko, ukhusela isinyithi kwimiphumo yendalo.
Kodwa ke kuyimfuneko ukwazi ezinye iindlela zokucoca i-patina evela kwingqekembe - iya kufuneka ngokukhawuleza. Emva kwakho konke, ukuba ungunombolo ye-numismatist yangempela, ukwazi indlela yokucoceka ngokufanelekileyo iibhedu zethusi kukunceda ugcine iqoqo lakho elikhulayo ngendlela efanelekileyo.
Iindlela zokucoca
Uhlobo oluninzi lokucoca ubhedu ngamanzi adibeneyo. Imali kufuneka idityaniswe iintsuku ezimbalwa emanzini, apho ingafakwa khona iifutha eziluhlaza. Kumele bahlambuluke nge-toothpick okanye enobumba bezinyo ezinomsolo otholileyo.
Uhlobo olunefuthe lonyango oluninzi luyi-ammonia. Ukwenza oku, uhlamvu lwemali luyakusulwa nge-cotton swab edibeneyo kwisisombululo se-ammonia, ize ihlanjwe ngamanzi asepha.
Bilisa kwioli, nawe unako. Ukuqala nje, qiniseka ukuba akukho tini kunye nezinye izinto ezincinci ezincibilikayo kule nto.
Ukucoca
Uhlobo olunzima kakhulu lokucoca ixabiso lentsimbi lugqithiselwa ukusetyenziswa komxube olandelayo: i-oxalic acid - 1 g, i-ethyl yotywala-5 ml, i-turpentine-4 ml kunye namanzi-1 ml. Esi sisombululo kufuneka sagxininiswe kwaye sisetyenziswe nge-rag kwi-surface ukuze ihlambuluke.
Yaye uhlambulula njani iimali zethusi? Emva koko, kufuneka baphathwe ngononophelo, ukuze bangonakali. Ukususela kumaxesha amandulo iresiphi - "ufulawa we-acetic" uyaziwa. Ukulungiselela kwayo, zimbalwa izithako ezifunekayo: umgubo wewayini kunye newayini. Intlama iya kwenziwa ngokukhawuleza ngaphambi kokucoca. Emva koko isetyenziswe kumlambo kwaye ivumelekile ukuba yomile. Emva koko bhidliza ngebhasi okanye i-rag.
Kwaye njengokuba "isithambisi" sokungcola, i-hexametaphosphate ye-sodium ingasetyenziswa. Yityuwa efuna ukuchithwa ngokukhawuleza kwaye ivuseleleke, kuba i-vitreous consistency isithintela kwisitya. Kwifom ebandayo akusebenzi, ngoko ke, ukufezekisa isiphumo esona siphumeleleyo, kufuneka sitshiswe kumadireji angama-60-80.
Abacebisi abahlambulukileyo
Yintoni enye ongayicoca ngayo imali ? Sebenzisa i-Trilon-B. Kodwa kufuneka isetyenziswe ngokucophelela, kuba emva kokucoca, endaweni yengqekembe ye-nickel, ithusi elibomvu kunye neengcawa ezinzulu zingabonakala. I-Trilon-B ifanelekile kuphela ukuba unayo ikopi yecole.