तापो बहिरन्तश्च समः किञ्जल्कवर्णः कुरण्डकपुष्पवर्णो वा श्रेष्ठः ॥ कZ_०२.१३.२६ ॥
tāpo bahirantaś ca samaḥ kiñjalkavarṇaḥ kuraṇḍakapuṣpavarṇo vā śreṣṭhaḥ
黄金在外部与内部受热/检验的效果均匀一致,且其颜色如花粉般(金黄)或如 kuraṇḍaka 花之色时,为最佳。
It creates an enforceable state standard for purity/quality so officials can accept, reject, price, and tax gold consistently and detect adulteration.
It targets fraud where only the surface is made to appear pure; the state requires internal purity verified through assay.