Imitako myiza ntabwo iva mumyambarire kandi ihabwa agaciro ubwiza gusa, ahubwo igahabwa no kurwanya cyane. Igihe cyose, abantu bizeraga ko kugura ibintu bya Sterling ari ishoramari ryiza ryamafaranga yubusa, kubera ko ibyuma byingenzi bihora gikura mubiciro. Master Lewellers arabizi Ibyuma AG. Nibintu bya pulasitike cyane, bivuze rero gukora imitako, ukesha ibyuma bifite agaciro runaka, kandi ibicuruzwa byabo babona amahirwe yo gukomeza ifishi yagenwe.
Kugena umugabane wumwanda mubishahwako yagaciro, sisitemu yerekana ibintu ikoreshwa cyane. . Urakoze ku cyitegererezo cyakoreshejwe muburyo bwa kashe ku bicuruzwa bya feza, urashobora kumva umubare wa feza usanzwe uhari muri kilo 1 ya alloy.
Urwego rwo hejuru rwicyitegererezo bivuze ibikubiye mumashini nini yagaciro muri equation yibicuruzwa byarangiye.
Amafaranga yihariye
Birazwi ko icyitegererezo cya feza amloy 925 kirimo byibuze 7.5% ya CU na 92.5% icyuma ag cyuma, i.e. Umuringa na feza. Umuringa uha imbaraga ifeza, akwemerera kubyara ibicuruzwa byiza. Kugeza ubu, ibigeragezo 925 bivuze ko imbere yawe ari ifeza, ireme ryacyo rishoboka cyane. Ibyuma, icyitegererezo cyacyo ni S925, gifite ibintu nkibi:
- Iyi silver ikorerwa imitako;
- Icyuma ni plastiki, mbikesheje ibi, urashobora gukora ibintu byose byurwego rwiyongereye;
- Ifeza Theoloy irashobora gutwikirwa hamwe na diliding.
Gukora nabi 925 by'icyitegererezo, umuringa wongeyeho muri feza, ariko kubwibyo, isura yibicuruzwa itakaza umwanya mwiza kandi irashobora kwirindwa mugihe uhuriye n'amazi. Kunoza imitungo ya Mitalloy Asloy, bongeramo zinc, platine, ndetse n'Ubudage cyangwa Silicon. Inyongera nkiyi igufasha kunoza ibara ryibicuruzwa byarangiye nibiranga. Mw'isi y'abamitsi, ibikoresho bya feza 925 birashobora kwerekanwa ku buryo bukurikira:
- gusebanya cyangwa gukenya ifeza;
- Ifeza isanzwe cyangwa ifeza.
Usibye urugero 925, hari na 999 Ifite imico myiza kandi ifite agaciro gakomeye mubahesha imitako. Ariko, ntushobora kubona muburyo bwo kugurisha kubuntu kubicuruzwa biva mucyuma, kuko ibishishwa bihenze bikozwe kuva kuri feza 999.
Ibigize n'imiterere
Isukura ifeza, idafite umwanda, isa nkicyuma cyaka umuriro kibisi igicucu . Ifite imyiyoke yiyongereye, kuko ubuso bwose bwindorerwamo kandi bugaragaza hafi 95-97% byamabara. Kubintu byindorerwamo, ibinyoma bya feza ntibikoreshwa mumitako yimitako gusa, ahubwo no mu gukora indorerwamo.
Muri feza nziza, ubucucike ni 10.4 g / cube. cm, ni ntoya kuruta ubuke bwa zahabu, ariko munsi gato ugereranije nubucucike bwa. Byongeye kandi, ifeza irakomeye kandi ipima ibirenze, kurugero, icyuma cyangwa umuringa.
Umubare w'icyuma nk'iki, nk'ifeza y'ibitekerezo 925, ni 108 a. Kurya.
Ifeza ifite ibintu bimwe na bimwe bya fiziki:
- Imyitwarire myiza yubushyuhe, ugereranije nibindi byuma;
- ubushobozi buhanitse bwo gukora amashanyarazi;
- Ingingo yo hasi cyane ugereranije nandi mashya y'agaciro - 960 ° C;
- Icyuma AG ni inert, ntabwo yinjira mubikorwa mubindi byibumoso mubihe bisanzwe, ariko byinshi muri byose birashoboye kwibikwa imiti mubindi byumba bifite agaciro;
- Ict AG iseswa muri mercure, nitric kandi yibanda ku gitsina sulfuric, niba yashyutswe muburyo bushyushye, ariko ntabwo ikunzwe muri aside ya hydrochloric.
Hamwe n'imikoranire y'icyuma cya feza hamwe na zinc, Platinum, Umuringa, Silicon, Ubudage, Alloy yabonye kandi igicucu kidasanzwe cyamabara, biroroshye ubushobozi bwa okiside.
Itandukaniro riva mu byitegererezo 875
Akenshi usanga mumitako afite 875 Icyitegererezo Ubuhamya ko alloy ikubiyemo ibyuma - 12.5% CU na 87.5% AG. Kugereranya ingero 925 na 875, tuzabibona 875 Icyitegererezo ntabwo cyerekeza ku bwiza bwo hejuru kubera urwego rwo hejuru rwinyongera yumuringa . Ibintu bikozwe kuri sample alloy 825 birashobora kuba byatutse cyangwa ibyatsi kimwe cya kabiri, kandi birashobora kandi kuba umwijima mugihe uhuye nubuso butose. Ifeza Asloy 825 Ingero, usibye umuringa, ushobora kuba zirimo silicon, genium cyangwa platine, zitezimbere ibiranga ibikoresho nibicuruzwa byarangiye bisa. Ariko, niba platine izaba iherereye mubikoresho, ikiguzi cyimitako kizaba kiri hejuru cyane niba cyakozwe hashingiwe gusa ya CU na AG.
Urebye igiciro gito, Ifeza Asloy 875 Ingero zikenewe cyane kandi zikoreshwa mugukora imitako, ubukorikori bwo gushushanya, ibikoresho byo kuriramo. Naho imitako, bateganya cyane kuri 925 icyitegererezo cya feza ya silver kugeza ku rwego rwo hejuru, n'icyuma cy'ibizamini 875 - kugeza ku bintu bya kabiri. Kubwibyo, imitako ihenze izahora ikozwe muri 925 icyitegererezo cya feza, kandi ameza ya feza azagira kashe hamwe numubare 875 - muribi byose kandi ni itandukaniro.
Gusubiramo Ibinyabuzima
Gukora Ibikorwa byahujwe nibikoresho, abahemu babonye ko biterwa nibirumba byayo, kandi ibyo icyuma gisa. Ubushakashatsi, ntabwo ubwoko butandukanye bwa alloy bugaragara gusa, ahubwo ni bwo buryo bwo gutunganya imico. Ubwoko bwa feza bukurikira burakunzwe cyane.Umukara
Uburyo bwo guhumbya bwagaragaye muminsi yuburusiya bwa kera Iyo ibicuruzwa bya feza bishushanyije hamwe nubushake bwumukara. Niba uhuza byinshi, sulfuru, kuyobora, umuringa na feza isukuye, noneho ibintu bizaba ibintu muri kantique yiswe "Mobile". Ibicuruzwa byarangiye byakorewe gushushanya ubuhanzi, nyuma yo gushyushya, mugihe ibihimbano byashonze. Igisubizo cyiyi mirimo cyabaye ibicuruzwa bihuza urumuri rwa feza kandi rwuzuye igicucu cyijimye.
Ubwo buryo nk'ubwo bwarimbishijwe n'imitako ya feza, ibintu byo mu rugo, amasahani, gushushanya, nibindi. Cyane cyane cyane byari icyifuzo cya feza yumukara mu kinyejana cya XVII. Ibicuruzwa bikozwe muri elef ya feza yumukara byagize imbaraga zidasanzwe kandi ntizikeneye gukora isuku.
Okiside
Ubundi bwoko bw'umwijima, ibyo byagezweho no guhuza ibyuma AG na minerval S. Biragoye kuva ifeza yumukara, okiside umukara ntabwo yakomeje gukorwa, nkuko umwijima wagezweho ubonye firime idasanzwe ya oxide, yahise itandukana nyuma yo gusukura ibicuruzwa. Igiciro cyifeza ya okiside ni kimwe numwirabura, ariko mugihe kugura byari ngombwa kutayobewe, kuko bifite ibibazo bitandukanye.
Ifeza ya oxide ikozwe mubushakashatsi bwikoranabuhanga, irashobora gutanga igicucu cyumukara wijimye, kandi mugihe cyo gusoza ibicuruzwa, ibice bya convex byahindutse urumuri kandi urumuri, hamwe nuburyo bukurikirana, hamwe nuburyo bukurikirana, hamwe nuburyo bukurikirana, hamwe nuburyo bukurikira, hamwe nuburyo bukurikira, hamwe nuburyo bukurikira, hamwe nuburyo bukurikira, hamwe nuburyo bukurikirana, bufite ingaruka zigicucu runaka.
Umukara wumukara mubisanzwe ushushanyijeho ingano yibicuruzwa bito - Amaduka, Pentants, Pensants, iminyururu cyangwa ibikomo.
Matov
Biragaragara mugukuraho ibicuruzwa byicyuma gisanzwe, Niki kimuha ubuhanga no kurwanya umwijima. Kugera ku ngaruka mbi Gutunganya ibicuruzwa kumurongo wumucanga cyangwa ifeza rishingiye ku gisubizo kidasanzwe cya shimi.
Galded
Biragaragara ukoresheje ifeza ya silver igice cyiza cya zahabu . Gutunganya nko kongera ikiguzi cyibicuruzwa byarangiye, bikaguha ubwoko bunonosoye kandi bwongerera ibintu bisanzwe muburyo bwa okiside. Ntabwo ari imitako gusa, ahubwo nanone kwitonda Kubikomeza ibidukikije kandi byumunyu kandi ntucikemo amoko yambere, mugihe ibicuruzwa biva muri feza isanzwe byasubizaho impinduka.
Usibye uburyo bwashyizwe ku rutonde, ifeza ishushanya eNamel cyangwa gukora alloys hamwe na meta yicyuma. Ifeza nkiyi irareba umwihariko kandi itandukanye nibara ryera.
Ikimenyetso
Mu Burusiya bwabanjirije Uburusiya, ubukorikori ku bicuruzwa bya feza byakuwe mu mibare ibiri, kandi nyuma ya revolution isanzwe isa n'umubare w'imibare itatu.
- Nyuma ya revolution 875 Ikizamini Yagenwe, usibye imibare, ibaruwa n'ikimenyetso cy'ubugenzuzi bwa Leta kuri kwinjira, kureba mu buryo bw'umugore Kokoshnik. Mugihe cya USSR, ibicuruzwa byicyitegererezo no kwandika inyenyeri byashyizwe kubicuruzwa. Noneho ibicuruzwa nkibi birazwi cyane - Abakusanya barabagura.
- Ikimenyetso Ikizamini 925 Byakundaga biherekejwe na leta hashumbya ifeza, kubera ko iyi icyuma cyitwa Sterling ifeza ku izina ry'ifeza y'Ubwongereza ry'izina rimwe, aho byashobokaga kubona ibintu byiza byakozwe mu cyitegererezo cya silver 925. Iyo utaye hejuru-exfe-exfe, urashobora guhura nkibyo ibyo biswe, sterling. 925 Ifeza ya feza, usibye iyi nyandiko n'imibare itatu, irashobora kandi kwitabwaho n'izindi shusho iyo ari yo yose yemejwe mu gihugu ibicuruzwa byakorewe.
- Kuri Ibicuruzwa bya zahabu Urashobora kubona icyitegererezo 5925, bivuze ko ifeza 925 na microna 5 ya zahabu kuva hejuru ikoreshwa mubicuruzwa.
Mububiko bw'imitako, ifeza irashobora gushyirwaho ubukana no kumenyekana ku isi yose - 999, 960, 925, 875, 830, 830. Urutonde rwimibare itatu isigaye, urugero, 923, 926, 929, 952 ntabwo byemewe muri rusange.
Gusaba
Sterling Efel Asloy Akolloy 925 ikoreshwa mu gukora imitako n'imitako, ubwiza bwabo ntabwo buruta icyitegererezo cya zahabu. Mubyongeyeho, ifeza Kora amashusho, ibintu byo murugo, kwikinisha, ubwoko butandukanye bwa fittings na stationery. Ibicuruzwa bya feza igihe cyose basabaga kandi bafatwa nkimpano nziza.
Igiciro kuri Gram
Icyemezo cyagenwe cya 1 G ya feza gikozwe kuburyo bukurikira:
- Twiga ikiguzi cya 1 G ya feza nkuru, nk'uko twabikeneye muri Federasiyo y'Uburusiya ku munsi dukeneye;
- Icyitegererezo kigena urwego rwibirimo bya feza mubicuruzwa.
Kurugero, tusobanura ikiguzi cya 1 g ya 925 cyitegererezo cya feza kuri 01/23/3/2020: 36.71 / 1000X925 = 52.44 Rables. / G. Biracyagwiza gusa uburemere bwibicuruzwa kugirango umenye agaciro k'isoko.
Inama zo Kwitaho
Kugirango ibicuruzwa bya feza bisa nkibishimishije, inyuma yabo Ugomba kuba ushobora kwitaho murugo. Kwitabwaho nuko ibicuruzwa buri gihe bikorerwa Gukoresha ibihimbano hamwe na kapkins - Urashobora kuyigura muri salon ya salol.
Ibicuruzwa bya feza bishyirwa mu bigize isuku, fatayo igihe runaka, zogejwe n'amazi kandi zumye n'amazi yo gusya. Muri ubu buryo, ibicuruzwa bya feza byujujwe, bidafite anlair. Usibye gukora isuku, ibisubizo bitangwa kuri alloy film yo muri iyi filime yo irinda ibyuma mubya reaction.
Hariho ubundi buryo bwo gusukura imitako ya feza:
- Inzoga za ammonia zivangwa n'amazi zingana na 1: 10 n'ibicuruzwa byogejwe mu gisubizo cyangwa guhanagura igitambaro cyahinduwe muri iyi mirimo;
- Umwanda ukomeye ufite isuku hamwe nifu yometse cyangwa wandike hamwe na brush hamwe na bristi yoroshye;
- Soda yashonga mumazi agereranywa 2: 10, igisubizo cyavuyemo cyogejwe nibicuruzwa;
- Isabune y'isabune (20 g y'isabune kuri ml 1000 y'amazi) kandi ihanagura ibintu bya feza.
Ubuvuzi bwa silver burakorwa neza kandi bukurikiranwa n'ibisubizo byibanze bya acide, aho ifeza ishobora kwijimye, kubinjira mu myitwarire.
Gukora akazi ku Murimo wo mu rugo, murugo cyangwa mu busitani, ibicuruzwa bikozwe muri sillof neza muri iki gihe kugirango ukureho ibishushanyo mbonera, bizayobora igihombo gito, imitako igomba gukora igipoloji.
Kubijyanye nubusobanuro bwicyitegererezo kumitako, reba videwo ikurikira.