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Chemistry Forums for Students => Analytical Chemistry Forum => Topic started by: ligia on April 15, 2008, 11:43:12 PM

Title: Microwave Digestion
Post by: ligia on April 15, 2008, 11:43:12 PM

Hey,

can someone let me know how to do Microwave digestion.  I'm trying to digest a vegetable to run it through ICPMS.  In addition does anybody know how can I remove water from broccoli without affection (removing) the potassium in it..


Thank you..

Title: Re: Microwave Digestion
Post by: Alpha-Omega on April 16, 2008, 01:13:30 AM

Please see this link Introduction to Sample Preparation:

http://www.ivstandards.com/tech/reliability/part04.asp#top

Look at the menu on the right and choose Acid digestion of Organic Samples.

I have also attached 2 pdf documents that discuss Wet/Microwave Digestion..

You might find the reference useful:

Source: Nutrition & Food Science, Volume 95, Number 1, 1995 , pp. 28-30(3)

Publisher: Emerald Group Publishing Limited


Abstract:

Provides an overview of the analytical methods used to quantify micronutrients (metals, non-metals and vitamins) present in food. Considers the principles of the methods of analysis employed.
Keywords: Diet; Nutrition

Finally, I am attaching Varian Application Note 33:  Rapid measurement of major, minor and trace elements in plant and food material (ICP-OES method).  This aplication note references EPA Method 3051A which I have also attaced.