Gịnị bụ gold 750?

N'etiti ndị niile dị ọla nke gold 750 taa bụ nnọọ ewu ewu. The gold ọdịnaya alloy dị elu (75%), n'ihi na ọ na-atụle ihe ùgwù. Ma n'otu oge ahụ, mma ga-achọ ịkpachara anya àgwà nke onye nwe, ebe ọ bụ na ihe dị otú ahụ alloy bụ softer tụnyere ihe atụ, a ngwaahịa mere si gold nke 585 ule.

Gold ọla kpọrọ mgbe niile. Ọ bụ ndị kasị ochie dị oké ọnụ ahịa metal. Ogwugwu onu nke oge ochie pyramid na mounds mara ezigbo mma na ndị bara uru gold ọla. Ekele ya luster na agba nke dị oké ọnụ ahịa metal ka mgbe e weere na onye nke anyanwụ, bụ nke na-na-efe na-ekpere arụsị oge. Gold ọla a mata ike na ikike. N'ihi "idi nso" ndị ọgọ mmụọ bụ gold nyere pụrụ iche na-agwọ ọrịa Njirimara. E kweere na a metal ga-enyere tufuo Akwụkwụ na-adọ, obi nkuchi, mbufụt nke obi muscle na ọrịa ndị ọzọ metụtara obi. Ikekwe nke a na-akọwa na omenala ndị Katọlik - agbamakwụkwọ mgbanaka nke gold eyi na ekpe ogwe aka.

Gịnị bụ gold?

Nke a na elu ductility na a nnọọ nro metal na-adịghị oxidize ikuku, mmiri na-eguzogide ọgwụ na impervious ka mmetụta nke salts, alkalies, asịd. Pure gold eji ọla ụlọ ọrụ maka n'ichepụta dị oké ọnụ ahịa metal alloys. Gold alloy bụ ezigbo ihe n'ihi na mmepụta nke ọla. Gold dị ọcha ụdị bụ nnọọ nro, na alloys ya ọzọ wear na-eguzogide na inogide. Aka na ekweghị ekwe nke metal na ụfọdụ n'ike-n'ike na ọ bụ weere na ndị ọzọ na-erughị bara uru ma dị oké ọnụ ahịa ọla. A sample ọla mma na-egosipụta ego nke gold (net) na alloy.

Gịnị bụ 750 gold sample?

The alloy na e dere n'ime ya mejupụtara nke 75,5% ọcha gold na inyeaka, ma ọ bụ na-akpọ ligature. Dabere na input na mgbakwunye alloy ngwaahịa nwere ike dị iche iche na agba - odo, na-acha ọcha, green, pink, red na ọbụna aja aja ma ọ bụ nwa. The kasị ewu ewu na-atụle ga-ọla-edo nke 750 ule. Ngwaahịa mere nke ọ nwere ike na-egbuke. The alloy na-adị mfe polishing na ndị ọzọ na nhazi. Mma nke a gold - a ezi ọrụ nkà. Site na ọ na-mere ọla ntị, ọla aka, necklaces, agbamakwụkwọ yiri mgbaaka. Gold 750 nwere a na agba nso a dị ọcha metal agba tụnyere samples n'okpuru. Otú ọ dị, mgbe na-agbanwe agbanwe alloy mejupụtara nke adịghị pụrụ inweta otu sample, ma na agba ga-adị iche.

carat usoro

Na mba Europe na nakweere a carat usoro, nke na 24 carat ọcha gold na-anọchi anya kpam kpam 1000 sample, ma ọ gaghị ekwe omume iji nweta ya. Ya mere, dị ọcha gold-atụle ga-999 ( "atọ nines"). 22 kwekọrọ na 917 carats sample 18k - 750 sample 14 carats - 585, 10 carats - 417 sample 9k - 375 sample.

Mejupụtara gold 750

Na okwu nke mejupụtara nke gold alloys na Europe na ebe bụbu CIS mba bụ ubé dị iche iche. Gold 750 bụ n'ozuzu atọ-akụrụngwa na e dere ọlaọcha na ọla kọpa, na-erughị nwere ike kwukwara rhodium, palladium, nickel, na zinc. Anyị na-ewetara na alloys nke ọzọ ọla kọpa na Europe - silver. N'ihi na nke a anyị gold nwere a pụrụ iche ọbara ọbara tinge, European - ọzọ odo. Gold 750, nke e ji ọla kọpa content n'elu elu ike.

Aka ekweghị ekwe nwere ike kwukwara na alloy palladium ma ọ bụ nickel. Palladium - a dị nnọọ oké ọnụ magburu metal. N'ihi ya, na-edo na-nụchara anụcha soft hue. jewelery uru enwe ndị dị otú ahụ a mejupụtara bụ elu-ezu, ha ndị kwesịrị ekwesị na ezi connoisseurs nke ọla. Price ngwaahịa na nickel bụ nnọọ ala, nke a alloy nwere ike nju.

gold nhazi

Method sere n'elu metal nwere ike iji nweta elu arụmọrụ. Siri ike ngwọta na nke a gbariri dị iche iche n'ụzọ na secreted mkpakọrịta AuCu3.

Gold 750 karịrị echiche n'oge nhazi, na ndọtị, soldering nkeji. Ọzọkwa, mgbe na-arụ ọrụ vitreous Enamel alloy nwere ike ije ozi dị ka a ndabere. Otú ọ dị, ọ ga-iburu n'uche na ọdịnaya nke ọla kọpa na alloy ekwesịghị gafere 16%, ma ọ bụghị Enamel quality ga-akawanye njọ, na mgbe a mgbe ọ ga-atụfu ihie na ịma mma.

Ọkara dị oké ọnụ ahịa na oké ọnụ ahịa ọla na alloy mejupụtara

Dabere na metal esịne ke alloy, ọ nwere ike na-acha ọcha ma ọ bụ acha. Ọdịdị nke ngwaọrụ na ya na nkà na ụzụ Njirimara ozugbo emetụta pasent nke adịghị na ọla kọpa na silver alloy.

An alloy nke ọlaedo na ọlaọcha nwere a lemon hue. N'ihi na ihe alloy nke ọla-edo na ọla kọpa e ji pinkish ọ bụ ọbara ọbara. The agbaze okpomọkụ nke gold na ọlaọcha - puku degrees, ọla kọpa - ubé n'okpuru itoolu. On obi jụrụ a siri ike homogeneous uka na-guzobere, nke mgbe erekasịchaala n'ime n'ụzọ.

Site chemical mmekọrita alloy ọcha 750 bụ n'ụzọ dị ọcha gold. Ọ bụrụ na anyị na-atụnyere ya na 585 gold, mgbe ahụ, a alloy bụ ihe ndị ọzọ amenable ka usoro ọgwụgwọ ọ bụla.

Ọbụna multiple okpomọkụ omume enweghị mmetụta na ike nke ihe alloy nke gold 750 na ọla kọpa na ọla-ọcha. Spontaneous cracking nke dị oké ọnụ ahịa metal adịghị ime.

Gold 750 - ọ bụ prestigious na magburu onwe. Ọla mere nke ndị dị otú alloy na ngwaahịa na-kpọrọ ihe n'ụwa nile. Ornaments si, ọ bụ mgbe mkpa na ndị karịrị ejiji ndị.