Metals Screen II Test
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150 per analysis | -
7-9 business days | -
Rush Available
Technical data sheet
PrintMethod description
The samples are prepared by microwave closed vessel digestion with nitric acid. Solutions are infused into an ICP OES and quantified based on an external standard calibration curve.
Metals Tested:
- Calcium
- Iron
- Potassium
- Sodium
- Copper
- Magnesium
- Manganese
- Phosphorus
- Zinc
Acceptable matrices
- Food products and ingredients
- Non-alcoholic 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 contact us at +1 (800) 245-5615.
Limit of quantitation
1 – 3 mg/100g
The limit of quantitation (LOQ) is dependent on the individual metal.
Please contact us to review metal technical datasheets for the exact LOQ.
Equipment
Inductively Coupled Plasma – Optical Emission Spectroscopy (ICP – OES)
Method reference
AOAC 2011.14
Reportable unit
mg/100g
Sample size requirements
- 15 grams for solid samples
- 20 grams (20 mL) for liquid samples
Information required by submitter
Please include estimates if available. For vitamin mixes, please include vitamin estimates as well.
Common Metals Screen II Test Testing Questions
While our sales and customer service team are happy to answer general testing questions, consultations typically start at a rate of $250 per 30 minutes regarding the interpretation of reported test results or questions about our test methods. We cannot consult on regulations, tolerance limits, or claims.
We make every effort to keep our methods and detection limits up to date according to the latest standards and qualifications. If you have any questions regarding the limit of detection/quantification or method references, please contact our Customer Service team at 1-800-245-5615.
Our standard turnaround time is 10 business days for most assays. There are some assays that require a longer turnaround time. We also offer a RUSH service that is half the time of the standard turnaround time of the assay at double the cost of the assay. A few assays that we provide cannot be rushed due to the nature of the test. Please check the specific assay you are interested in regarding the ability to RUSH the turnaround time.
Medallion Labs, a division of General Mills, offers multiple areas of expertise for analytical testing and product evaluation for the food and ingredient industry. Our areas of expertise include Chemical Analysis, Nutritional Analysis, Food Safety, Shelf Life Studies, Microbiology, Specialty Fibers, Physical Testing, Allergen Testing, as well as Product Evaluation (which includes Product Performance and Sensory Evaluation) and Technical Consulting/Method Development. Our methods are developed for the testing of food products and ingredients.
Do you have a more specific question?
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Medallion Labs
A food testing program designed with mid-market and enterprise food and ingredient manufacturers in mind.
