你需要准备
观察黄金黄金放大镜测试磁性和其他基本属性黄金壶水钕磁铁未上釉的瓷盘或者瓦片测试密度黄金秤量筒或者量杯计算器使用硝酸测试黄金黄金检测套装硝酸不锈钢容器试金石乳胶手套
参考
↑https://www.gold.org/about-gold/about-gold-jewellery/gold-hallmarks↑https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/568906/hallmarking-guidance-notes-october-2016.pdf↑https://terpconnect.umd.edu/~wbreslyn/magnets/is-gold-magnetic.html
↑https://sciencing.com/tell-pure-using-water-displacement-8109592.html↑https://sciencing.com/tell-pure-using-water-displacement-8109592.html↑https://www.youtube.com/watch?v=WC5NK4cB-Nc&feature=youtu.be&t=23↑https://www.youtube.com/watch?v=INrJuXPzaH4&feature=youtu.be&t=193↑https://www.youtube.com/watch?v=ThLxTG7Wg24&feature=youtu.be&t=225