igiciro cya zahabu kuri gram
Zahabu nimwe mubimera byiza cyane kandi ikoreshwa cyane mumitako, ibiceri, nibindi bintu byo gushushanya. Agaciro ka zahabu kagenwa nubusura nuburemere. Niba ushishikajwe no kugura cyangwa kugurisha zahabu, ni ngombwa kumenya kubara agaciro kayo neza. Muri iki kiganiro, tuzasobanura uburyo bwo kubara agaciro ka zahabu, tuzirikana ubuziranenge bwayo nigiciro cyo gushonga zahabu.
Gusobanukirwa zahabu
Zahabu isuku yapimwe muri karat (k) cyangwa nziza. 24Khabu ifatwa nk'izahabu isukuye kandi igizwe na 99.9% zahabu. 21k zahabu ni 87.5% zahabu, 18k zahabu ni zahabu 75%, 14k zahabu ni 58.3% zahabu, na zahabu 9,5% ni 37.5% zahabu. Ijanisha risigaye rigizwe nibindi bishako nka feza, umuringa, cyangwa nikel, byongeweho kugirango ntunge ubwiza n'imbaraga.
Kubara agaciro ka zahabu
Kubara agaciro ka zahabu, ugomba kumenya uburemere bwacyo nubuziranenge. Igiciro cya zahabu cyavuzwe muri kadamu cyangwa garama. Mubihe byinshi, uburemere bwa zahabu bupimirwa muri garama, kandi igiciro cyavuzwe kuri garama.
Intambwe ya 1: Menya uburemere bwa zahabu
Intambwe yambere nukumenya uburemere bwa zahabu. Urashobora gukoresha igipimo cya digitale kugirango ukenye neza zahabu neza. Niba urimo kugura cyangwa kugurisha zahabu, ni ngombwa kugira uburemere bwa zahabu.
Intambwe ya 2: Menya ubuziranenge bwa zahabu
Ibikurikira, ugomba kumenya ubuziranenge bwa zahabu. Ibi birashobora gukorwa mugushakisha ibimenyetso kuri zahabu, nka 24k, 21k, 18k, 14k, cyangwa 9k. Niba nta bimenyetso, urashobora gufata zahabu umutako, ushobora kugerageza zahabu no kumenya ubuziranenge.
Intambwe ya 3: Kubara agaciro ka zahabu
Umaze kumenya uburemere nubuziranenge bwa zahabu, urashobora kubara agaciro kacyo. Kugirango ukore ibi, urashobora gukoresha Kubara ya zahabu kumurongo cyangwa ukoreshe formula ikurikira:
Agaciro ka zahabu = uburemere bwa zahabu (muri garama) x isuku ya zahabu x igiciro cya zahabu kuri garama
Kurugero, reka tuvuge ko ufite garama 10 ya 18k. Igiciro cyisoko kiriho ni $ 60 kuri garama. Kubara agaciro ka zahabu, wakoresha formula ikurikira:
Agaciro ka zahabu = garama 10 x 0.75 (ubuziranenge bwa 18k zahabu) x $ 60 kuri garama
Agaciro ka zahabu = $ 450
Muri uru rugero, agaciro ka zahabu ya 18k ni $ 450.
Igiciro cyo gushonga zahabu
Hariho kandi ikiguzi kijyanye no gushonga zahabu. Iyo zahabu ishonga, igomba kunonosorwa gukuraho umwanda, ishobora kongera kubiciro. Igiciro cyo gushonga zahabu kirashobora gutandukana bitewe nububiko nubuziranenge bwa zahabu. Mubisanzwe, ikiguzi cyo gushonga zahabu ni hafi ya 1-2% byagaciro ka zahabu.