[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v2.c35.s6.18 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c35.s6.18 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c35.s6.18 - **Language:** English ### [v2.c35.s6.18](https://indike.org/pramana/ins.science.ray-1902.v2.c35.s6.18) अथ रौप्यमारणं । रौप्यं शुद्धं समादाय नागेन गुरु शोधयेत् । शुद्धे तारे पुनः पश्चात् सूक्ष्मपत्राणि कारयेत् ॥ ५ ॥ निम्बचिंचिणिट्राक्षाभिः शोधयेच्च पृथक् पृथक् । क्षालयेदुदकैः सार्द्धं तथा दुग्धेन शोधयेत् ॥ ६ ॥ गंधपारदयोरैक्यं किंचिद्दंगं च घर्षयेत् । द्राक्षाया द्रवसंयुक्तं तारपत्राणि शोधयेत् ॥ ७ ॥ चक्रयन्त्रे विनिधिक्षिप्य लेपयेद्वस्त्रमृत्तिकां । क्षिपेद्गजपुटे गत्ते ज्वालयेद्बहुकाष्ठकान् ॥ ८ ॥ - [Previous: v2.c35.s6.17](https://indike.org/pramana/ins.science.ray-1902.v2.c35.s6.17) - [Next: v2.c35.s6.19](https://indike.org/pramana/ins.science.ray-1902.v2.c35.s6.19) - [Up: v2.c35.s6](https://indike.org/pramana/ins.science.ray-1902.v2.c35.s6) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c35.s6.18](https://indike.org/pramana/ins.science.ray-1902.v2.c35.s6.18) · Pramāṇa