Ash Test
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Price
$25 per analysis
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Turnaround time 7 – 9 Business Days
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Rush Available
Technical data sheet
Print- Method description
Samples are combusted at a high temperature. The remaining residue (ash) is cooled, weighed and reported as a fraction of the original sample weight.
- Acceptable matrices
Food and Food Ingredients
- Unacceptable matrices
Flammable, explosive, or carbonate compounds
- Limit of quantitation
0.200% (w/w)
- Equipment
Furnace
- Method reference
AOAC 923.03 Ash of Flour
- Reportable unit
%
- Sample size requirements
10 g
- Information required by submitter
Please supply estimates
- Additional information
This test is ISO/IEC 17025 accredited through A2LA, Certificate # 2769.01. This method is applicable to nearly all foods and food-related products. Ash is composed of the minerals that are not combustible under the test conditions and include things such as salts, carbonates and silicates.
Common Ash Test Testing Questions
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.
The sample is placed in a very hot oven to combust all organic matter. The leftover inorganic matter (ash), is weighed back and reported as a percent. This is needed to calculate Calories and Carbohydrates, and is sometimes used for certain global regulations.
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