प्रतिलेपिना रसेन द्विगुणाभ्यक्तं तपनीयं शुकपत्त्रवर्णं भवति ॥ कZ_०२.१३.५६ ॥
pratilepinā rasena dviguṇābhyaktaṃ tapanīyaṃ śukapattravarṇaṃ bhavati
当上等金(tapanīya)用镀覆溶液涂覆两次时,会呈现如鹦鹉叶般的色泽(明亮的微绿金光),以此作为品质合格的检验/标志。
It provides an observable standard for verifying refined gold, helping the state detect adulteration and protect revenue in bullion handling.