Gịnị bụ a sample nke ọlaedo na ọlaọcha

Gold na ọlaọcha, na ndị mmadụ n'oge ochie ji mee ka ọla onwe ha bụ ndị ezi juu ọla. Ya mere, otu na-eme ka alloy, nke na-atụkwasịkwara ọzọ ọla, na-akpọ a ligature. Ka ndị dị otú ahụ alloys ịmata kpọmkwem dị oké ọnụ ahịa metal ọdịnaya, eji a sample nke ọlaedo na ọlaọcha, nke na-egosi ha ọdịnaya na alloy ọla.

N'ihi na oge mbụ na ọla samples nke ọlaedo na ọlaọcha malitere itinye na XV narị afọ. Na Russia, na mbọn nke gold ngwaahịa e ẹkenam ke 1700, na ọla-ọcha ọbụna mbụ - na 1613. Nke a hụrụ àgwà nke ọla. Na Russian Federation, n'ihi na ihe atụ, mbọn mere nke oké ọnụ ahịa ọla ngwaahịa a rụrụ nnwale Office, a adịgboroja ala samples nke ọlaedo na ọlaọcha na ngwaahịa bụ ntaramahụhụ ya na iwu. Otú ọ dị, ná mba ụfọdụ, ala akara n'elu àgwà nke ọla alloys bụ kpam kpam na-anọghị, na mbọn nke jewelery mere site emeputa.

Ugbu a, e nwere ihe atọ bụ isi na usoro n'ụwa gold sample na ọlaọcha - a metric, carat na spool. Ọ bụrụ na ndị metric usoro a sample egosiputa ọnụ ọgụgụ nke iberibe dị oké ọnụ ahịa metal, nke a na ẹdude ke 1000 akụkụ nke alloy. Mgbe slide valvụ usoro dị ka isi ihe na-eji pound esịnede 96 spools. Mgbe carat n'ihe usoro nke dị oké ọnụ ahịa metal ọdịnaya nke alloy kpebisiri ike na ndabere na otu unit nke arọ kewara ekewa site 24 carats.

The ego nke nwekwara emetụta sample, na ojiji nke dị iche iche nwekwara ike-emepụta alloys na gaghị agara Njirimara, dị ka ndị dị mkpa ike na agba nke dị oké ọnụ ahịa. Ya mere, ke imewe nke ọla dị iche iche na samples of oké ọnụ ahịa ọla, dabere na nzube ha. Ya mere, ọ bụ ike zaa agaghị egbu oge, ihe sample gold mma. A, ndị kasị elu sample nwere a gold mgbanaka agbamakwụkwọ, ma ọla ntị na ígwè nwere ike ime ndị dị otú ahụ a sample nke gold, ebe ọ bụ na ha nwere na-ọzọ inogide.

Na Russia, ọ na-adịkarị chere ise samples nke ọla alloys nke gold - 375, 500, 585, 750 na 958. The sample 375 na-emepụta na-eji dị ka a ligature nke ọla kọpa na ọlaọcha, dabere na ya nwere a nso nke na agba site na-acha odo odo na-acha uhie uhie. Site ndị a Efrata ka 500 sample. The 585 sample ka n'ihu kwukwara nickel na palladium, inye ihe alloy na na ọtụtụ-eji imewe nke ọla. Isi alloy ose nke gold 750 nwekwara ọla kọpa, silver, nickel na palladium, ma ha ka na-kwukwara platinum. Nke a alloy nwere a dịgasị iche iche nke na agba site na-acha uhie uhie na green site na-egbuke egbuke-acha odo odo na agba. E wezụga ọla mmepụta, ọ bụ mgbe eji na filigree ọrụ. Alloy 958 gold sample adịghị mee nnọọ mgbe n'ihi na ọ bụ zuru ezu ike na ọ dịghị ihe na-ufiop agba. Na ụwa e nwere ndị ọzọ gold alloys, ihe atụ na Latin America n'ihi na mmepụta nke gold mkpụrụ ego eji a sample nke 875 gold.

silver alloys na-eji ọla na obere ose ọla kọpa. The kasị ewu ewu na nke a bụ silver 925. E nwere 875, 800 na 750-nke sample. Ha na-abụghị nanị na-eji maka mmepụta nke ọla, ma n'ihi na imewe nke tableware. Iche iche, a silver alloy bụ 960 samples - ọ na-eji ke imewe nke ngwaahịa filigree. Ọ nwere ihe pụrụ iche Njirimara ndị dị otú ahụ na isiokwu mere si dị otú ahụ ihe alloy site filigree art nwere ike agaghịkwa emepụtaghachi si mba ndị ọzọ dị oké ọnụ ahịa metal. Ya mere, ọ na-eme na price nke ọla ji ọlaọcha mee dị elu karịa price nke gold ọla.