Скачать или смотреть Dissolving $1000 of Platinum to Make $6000 of Chloroplatinic Acid for Professional Use

In this video we dissolve a one troy ounce platinum bar in aqua regia and then process that and make ampules of chloroplatinic acid.

My previous videos on dissolving platinum:
   • Platinum Bar Dissolving in Acid (Aqua Regia)  
   • Make Purified Chloroplatinic Acid  

First we meticulously clean the beakers and condensing flask by first pyrolyzing them in an oven at 500 celsius for 24 hours. This destroys any residual organics. Then we boil dilute aqua regia in them to remove lingering inorganic residues. One troy ounce of platinum is then dissolved over 2 days using aqua regia in that beaker. Once it's dissolved it's boiled for another day to decompose any remaining nitric acid. The chloroplatinic acid solution is then evaporated down to less than 80mL and carefully pipetted into ampules. The ampules are then dried in mason jar desiccators over several weeks before finally being flame sealed. To ensure safety the ampules are soaked in sodium metabisulfite solution to remove any possible contamination of chloroplatinic acid and then labelled. They are vacuum sealed into plastic bags for shipping

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