Price of the test:
Please enquire our customer service at firstname.lastname@example.org
Our accreditation covers: milk, milk powders, infant formula
Limit of Detection:
Any concentration greater than 50 µg RE/100 g is detectable.
Sample Size Requirements:
50 grams of sample is needed.
µg RE/100 g
Turn Around Time:
7 Business Days
Is Urgent Service Available?
No (Enquire our customer service for special requirements at email@example.com)
Testing reports values for vitamin A eq. retinol. Following a saponification procedure to remove fat from the sample, the mixture is taken for liquid-liquid extraction into petroleum ether. The extract is then filtered and evaporated to dryness. The analyte is reconstituted in methanol and quantitated using reverse phase HPLC with UV/Vis detection.