Dear Sir,
We couldn't figure out the excess weight or volume of HCl and HNO3 for the production of 1 Kg HAuCl4.3H2O, we have used all the equations.
Thanks in advance
Best regards,
BP-Exchange Assistant Answered Nov 22, 2022
Bio-protocol
The authors have supplied a detailed preprint protocol on Bio-protocol Preprint. We have found the following information from "Protocol Acid chloroauric.docx". Hope it will be helpful for you.
This protocol allows to calculate the life cycle inventory data to produce 1 kg of acid chloroauric trihydrate (HAuCl4.3H2O) based on the assumptions established by the Ecoinvent framework and the data collected from literature.
Input material is calculated based on stoichiometric reactions
1.The reactions that were involved are:
Au + 3HNO3 + 4HCl → HAuCl4 + 3NO2 + 3H2O
3HCl + HNO3 → Cl2 + 2H2O + NOCl
2.The mass balance was obtained from the protocol described in the Handbook of preparative inorganic chemistry (S. Gross, 2008), as follows:
3.Based on the above the following quantities were included in the life cycle inventory to produce 1 kg of HAuCl4.3H2O:
4.We employed the Ecoinvent V 3.4 to calculate the providers. According to Ecoinvent the following providers were included.
Detailed information of the laboratory protocol is found:
Detailed information of the mass balance performed to calculate the production of chloroauric acid trihydrate is found:
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