तपनीयमुज्ज्वाल्य रागत्रिभागं दद्यात्पीतरागं भवति ॥ कZ_०२.१३.५३ ॥
tapanīyam ujjvālya rāgatribhāgaṃ dadyāt pītarāgaṃ bhavati
Tras calcinar el oro refinado (tapanīya), debe añadirse tres partes de la mezcla colorante (rāga); se vuelve de brillo amarillento (pītarāga).
It constrains discretionary variation by artisans, making output predictable and enabling audits of material consumption.