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Chemistry Forums for Students => Analytical Chemistry Forum => Topic started by: Raayou on November 16, 2018, 06:34:57 PM

Title: Another forms of rocks sample digestion
Post by: Raayou on November 16, 2018, 06:34:57 PM

Is it always aqua regia for rocks sample digestion or there are also some other forms of  acid digestion methods available? (concerning AAS  ICP-OES analysis)  🤔

Title: Re: Another forms of rocks sample digestion
Post by: chenbeier on November 17, 2018, 10:28:32 AM

If you have rock, then  it is  mainly made from SiO₂. To dissove you need HF or flouride + sulfuric acid. Agua regina can dissolve al ot of metals.

Title: Re: Another forms of rocks sample digestion
Post by: Raayou on November 24, 2018, 11:22:59 AM

Right  chenbeier thanks,  just confirmed that from other sources as well. 😁😁