ʻO ke ala ʻike o 925 kālā

Nui nā ʻano kālā ma ka mākeke i kēia manawa, akā ʻo 925 wale nō ke kālā i hōʻoia ʻia i ka pae honua no nā mea nani kālā, no laila pehea mākou e ʻike ai?Eia kekahi mau ʻano hana maʻamau i hōʻike ʻia e nā limahana ma hope o ke kūʻai ʻana o Topping me ʻoe:

1. ʻO ke ala ʻike kala: e nānā me nā maka, no nā mea hoʻonaninani kālā kiʻekiʻe, ke nānā aku nei ke keʻokeʻo, ʻālohilohi me ka hana maikaʻi a ua kaha ʻia ma luna o ia mea, pono ia he mau mea kālā hoʻopunipuni inā ʻilihune ke kala me ka ʻole o ka luster;

2. Ke ʻano kulou: E pelu mālie i nā mea kala me ka lima.No nā mea waiwai kālā kiʻekiʻe, he maʻalahi ke kūlou akā ʻaʻole maʻalahi ka haki ʻana, pono ke ʻano haʻahaʻa inā ʻoʻoleʻa a kūlou me ka ʻinoʻino, pohā nā mea kāhiko ʻaʻahu ma hope o ke kulou ʻana a i ʻole ke kīkēkē ʻana me ka hāmare, pono ke kālā hoʻopunipuni inā ʻaʻole hiki ke kū mālie a maʻalahi ke haki;

3. ʻO ke ʻano o ka hoʻolei ʻana: E hoʻolei i nā mea hoʻonani kālā ma luna o ka paepae mai luna a lalo, ʻo ia ke kiʻekiʻe o ke kala kala inā ʻaʻole kiʻekiʻe ka bounce a paʻa ke kani, pono ia i ka haʻahaʻa a i ʻole nā ​​mea kālā hoʻopunipuni inā kiʻekiʻe ka bounce a ke kani i ka leo kiʻekiʻe;

4. Nitric acid identification method: E hoʻohana ana i ke koʻokoʻo aniani e hoʻoheheʻe i ka nitric acid ma ka waha o nā mea hoʻonani kālā, He mea kiʻekiʻe kiʻekiʻe ke kala kala inā he ʻōmaʻomaʻo iki ke kala, pono ke haʻahaʻa inā he ʻeleʻele ke kala;

5. Ke ala ʻike me nā magnet: ʻaʻole hiki ke huki ʻia ke kālā sterling e nā magnet.Nui nā huahana kālā hoʻopunipuni ma ka mākeke i hana ʻia me ka nickel, e huki ana i nā magnet.ʻO kēia ala ka maʻalahi a maʻalahi.

 

ʻO Foshan Topping Jewelry Co., Ltd. he mea hana ʻoihana a loea i nā mea kālā kālā 925.Hiki iā ia ke hāʻawi i ka lawelawe maʻamau o nā mea kālā kālā 925 e like me nā apo kala, nā lei, nā apo pepeiao, nā kūpeʻe lima etc.

Loaʻa iā mākou kā mākou huahana pono'ī o ke kālā 925, hiki iā mākou ke hāʻawi i ka papa inoa i ka mea kūʻai aku no ke koho.


Ka manawa hoʻouna: ʻAukake-23-2022