Minerals purifications.
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Publicado
hace 6 años
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₹600-1500 INR
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I am looking to purify various minerals which is to be used for medicinal purpose and now I want some chemist or other expects in purifying zinc metal and this is to be done without any chemicals and purely based on organic method. The freelancer must submit me the brief details about this purification process.
Nº del proyecto: #16030146
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