Dab tsi yog cov cim rau kub?

Cov txheej txheem:

Dab tsi yog cov cim rau kub?
Dab tsi yog cov cim rau kub?

Video: Dab tsi yog cov cim rau kub?

Video: Dab tsi yog cov cim rau kub?
Video: yog hmoov dab tsi. Zoo Xyooj (cover) 2024, Hlis ntuj nqeg
Anonim

Tus lej 3 tus lej feem ntau tau txheeb xyuas raws li hauv qab no:

  • 999.9 lossis 999 - 24 karat kub.
  • 995.
  • 990 - 23 karats.
  • 916, 917 - 22 karat kub.
  • 833 - 20 karats.
  • 750 - 18 karats.
  • 625 - 15 karat kub.
  • 585, 583, 575 - 14 karats.

UK kub qhov tseem ceeb yog dab tsi?

Peb siv Daim Ntawv Qhia Tag Nrho Hauv UK raws li tus qauv

  • Sponsor tus cim.
  • Tseem ceeb fineness mark.
  • Millesimal fineness mark.
  • Assay Office mark.
  • hnub ntawv cim.

Lub ntsiab lus rau 18ct kub yog dab tsi?

Txawm tias kim dua, 18ct Kub yog qhov ruaj khov dua nyob rau lub neej. Tag nrho peb 18ct Kub jewelery commissions suav nrog lub cim nrog tus lej 750 Qhov no sawv cev 75% cov ntsiab lus kub. Tsis hais xim (dawb, daj lossis sawv) tag nrho 18ct Kub muaj 75% ntshiab Kub.

375 txhais li cas ntawm kub?

Yog tias cov khoom kub muaj cov cim '375', qhov ntawd txhais tau tias koj cov kub yog 9 karat - lossis 37.5 ib xees dawb huv. Qhov seem 62.5 feem pua ntawm cov khoom yog cov hlau sib txawv, xws li npib tsib xee, tooj liab, lossis qee qhov nyiaj. Tab sis feem ntau lwm cov hlau siv yuav tsis muaj nqi siab.

Dab tsi yog lub cim rau kub ntawm cov hniav nyiaj hniav kub?

au txhais li cas ntawm cov hniav nyiaj hniav kub? Au yog lub cim tshuaj rau kub. Thaum koj pom nws ntawm koj cov hniav nyiaj hniav kub, nws txhais tau hais tias kub yog thawj hlau siv los tsim nws.

Pom zoo: