ããå½å®¶æ åâGB11887-8Pâè§å®ï¼å«ééä¸å°äº990â°ä¸ºè¶³éï¼å«ééä¸å°äº999â°ä¸º
å足éãåæ¶å¯¹
Kéç纯度ä¹ä½äºè§å®ï¼å
¶ä¸8Kçå«ééä¸å°äº333â°ï¼18Kçå«ééä¸å°äº750â°ï¼24Kçå«ééä¸å°äº999â°ã
ããæ¯å¼(è±æcaratã
å¾·ækaratç缩åï¼å¸¸åä½âkâ)å«éé为4.166%ã
ãã18k=18*4.166%=74.998%,24k=24*4.166%=99.984%ã
ãã24Kå«é99%ï¼22Kå«91.7%ï¼18Kå«75.1%ï¼14Kå«58.5%ï¼12Kå«50%ã
ããç®åå¸åºä¸éå®çé»é饰åï¼å为足éåKé饰åï¼æ ¹æ®å½å®¶æ åGB11887ä¸çè§å®ï¼å¸¸è§çå ç§é»éé¦é¥°å«é为ï¼
ãã24Kââç®åå½é
é»éä»·æ ¼å¸åºå¶è§æ æ24Ké»é饰åï¼æ ¹æ®å½å®¶æ åï¼24Kéå«éç论å¼åºä¸ºç¾åä¹ç¾ï¼éæ 赤足ï¼å æ¤ä¸¥æ ¼ç讲ï¼24Kæ¯ä¸åå¨çï¼éå®ä¸æ æ24Kéæ¯ä¸æ£ç¡®çï¼ä¸ç¬¦åå½å®¶æ åã
ããå足éââå«é为99.9%ï¼ä¿ç§°ä¸ä¸ª9ã
ãã足éââå«é为99.0%ï¼ä»¥ä¸ï¼ä¿ç§°äºä¸ª9ã
ãã18Kââå«é为75.0%ï¼Kéçé¢è²æå¤ç§ï¼é常æé»ã红ãç½è²ä¹åãå
¶ä¸ç½è²Ké,å®é
ä¸æ¯é»éä¸éãéãéçå
ç´ çåéãå®ä¸æ¯é常æ说çç½é饰åãç½éæ¯æè´µéå±éï¼Ptï¼ã