Particle Size Distribution (Microtrac) Test
- Price
$195 per analysis
- Turnaround time
7 - 9 Business Days
- Rush
Available
Technical data sheet
- Method description
The instrument provides a particle size distribution without the physical separation required by sieves. Particle size distributions are characterized by percentages of a sample in up to 140 channels covering a total range of 0.12 to 1500 micrometers diameter. This range enables the analysis of smaller particles than can be sized with sieve analysis. An added advantage is that emulsions, suspensions, and pastes can also be tested, as long as a compatible carrier fluid is available. Care must be exercised with non-spherical particles, as the size will be expressed as an equivalent spherical diameter. Particles are typically dispersed in a compatible liquid carrier fluid (a liquid that does not dissolve or agglomerate particles). Atypical samples may require special handling or technique.
- Acceptable matrices
Powders, particulates, emulsions, and suspensions
- Unacceptable matrices
Particle greater than 2000 micrometers
- Limit of quantitation
Particles with a diameter in the range of 0.0117 to 2000 micrometers
- Equipment
Microtrac Particle Size Analyzer
- Method reference
Internally Developed Method
- Reportable unit
% sample in size range channels within 0.0117 to 2000 micrometers
- Sample size requirements
40 g
- Information required by submitter
Please supply estimates
- Additional information
Peroxidase is an enzyme that can catalyze the cross-linking of phenolic residues by H2O2 resulting in undesirable color changes (graying) and the potential generation of off-flavors in a food product. Determining the average level of peroxidase in different cultivars can help guide breeding decisions. Additionally, because peroxidases are relatively stable enzymes, they can serve as an indicator for the efficacy of enzyme inactivating treatments in grains and flours (heat treatment, chemical treatment, etc.) Please keep and ship samples frozen, if possible.
Common Particle Size Distribution (Microtrac) 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.
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A food testing program designed with mid-market and enterprise food and ingredient manufacturers in mind.