Yog tias lub npib tsis tshua muaj los yog tsis tshua pom zoo, nws yog qhov zoo uas muab rau tus tswv kom ua. Tab sis koj tuaj yeem sim ua kom huv hauv tsev. Txawm hais tias nws yuav tsum tau muab sau tseg, yog hais tias lub txheej ntawm cov nyiaj npib yog tiaj, thiab cov hlau tsis kov khov, ces nws tsis tsim nyog ntaus nrog patina. Tom qab tag nrho, nws tiv thaiv cov hlau los ntawm cov teebmeem ntawm ib puag ncig.
Tab sis txawm li ntawd los nws yuav tsum paub txog qee txoj kev tu patina ntawm ib npib - nws mam li nco dheev. Tom qab tag nrho, yog tias koj yog tus tseeb numismatist, paub yuav ua li cas kom huv si tooj liab npib yuav pab koj tswj koj cov kev sau loj tuaj hauv kev txiav txim zoo meej.
Maj nrawm ntxuav
Qhov feem ntau sparing hom tu tooj yog dej distilled. Qhov nyiaj npib yuav tsum tau muab raus ob peb hnub hauv dej, qhov twg nws yuav tau them nrog cov yoov ntsuab. Lawv yuav tsum tau ntxuav nrog cov ntoo txhuam hniav los sis ib tug txhuam hniav uas muaj qhov muag muag.
Ib hom tshuaj txhuam hniav me ntsis yog ammonia. Ua li no, cov nyiaj npib yog siv cov paj rwb dauv hauv cov tshuaj tov ammonia, thiab tom qab ntxuav tom qab dej sov.
Boil nyob rau hauv roj, dhau lawm, koj ua tau. Cia li pib nrog, nco ntsoov tias tsis muaj tin thiab lwm yam tsawg-yaj rau hauv cov khoom.
Hloov nquag
Ib hom tshuaj ntau hom tooj liab npib yuav suav tau tias yog siv cov dej nram qab no: oxalic acid - 1 g, ethyl cawv - 5 ml, turpentine - 4 ml thiab dej - 1 ml. Cov tshuaj no yuav tsum tau shaken thiab thov nrog ib tug rag mus rau saum npoo kom raug ntxuav.
Thiab yuav ua li cas los ntxuav qub tooj liab npib? Tom qab tag nrho, lawv yuav tsum raug kho nrog kev saib xyuas, yog li ntawd raws li kom tsis txhob puas. Txij ancient sij hawm hauv daim ntawv qhia - "acetic hmoov" yog paub. Rau nws cov kev npaj, tsuas yog ob cov khoom xyaw uas yuav tsum muaj: hmoov nplej thiab cov kua roj hmab. Lub khob noom cookie tau ua tam sim ntawd ua ntej ntxuav. Tom qab ntawd nws yog siv rau nruab nrab thiab pub kom qhuav. Tom qab txhuam tawm nrog txhuam los yog ib tug txiv neej.
Thiab raws li ib tug "softener" ntawm cov kab mob, yuav siv tau sodium hexametaphosphate. Nws yog ib ntsev uas yuav tsum tau muab sib qeeb thiab qeeb, txij li nws cov vitreous taub hau nrog rau lub nkoj. Nyob rau hauv lub txias daim ntawv nws tsis yog li ntawd kom nquag plias, yog li ntawd, kom ua tiav qhov zoo tshaj plaws tshwm sim, nws yuav tsum tau rhuab mus rau 60-80 degrees.
Txhob txhawj heev
Dab tsi ntxiv koj tuaj yeem ntxuav cov npib ? Siv Trilon-B. Tab sis nws yuav tsum tau siv kom zoo heev, vim hais tias tom qab tu, tsis muaj tooj liab-npib tooj npib, tooj liab nrog tob tob hau tuaj yeem tshwm tuaj. Trilon-B yog tsim rau koj yog tias koj muaj ib daim qauv ntawm daim phiaj tooj liab.