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Potassium (K)

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TECHNICAL DATA SHEET

Price of the test:

$33 per analysis

Acceptable Matrices:

Food Products, Food Ingredients, Beverages, Nutraceuticals

Unacceptable Matrices:

Some classes of compounds are unsuitable for closed vessel microwave digestion as they are highly reactive with nitric acid and other oxidizers which may become nitrated and potentially explosive. These include: Animal fat (lard), glycerin and glycols, volatile flavoring agents, filter paper, packaging material, and alcoholic beverages. If you have a question regarding your matrix, please call customer service at 1-800-245-5615.


Limit of Quantitation:

3 mg/100g


Sample Size Requirements:

15 grams for solid samples, 20 grams (20 mL) for liquid samples


Equipment:

Inductively Coupled Plasma - Optical Emission Spectroscopy (ICP - OES)


Reportable Units:

mg/100g


Turn Around Time:

10 Business Days


Is Rush Available?

Yes


Method Reference:

AOAC 2011.14


Method Description:

 Samples are prepared by microwave closed vessel digestoin with nitric acid.  Solutions are infused into an ICP OES and quantified based on an external standard calibration curve.


Information Required by Submitter:

Please include estimates if available.
For Vitamin Mixes, please include vitamin estimates as well.