CAIQ Test

Vitamin B1 (Thiamine)

Price of the test:
Please enquire our customer service at sample.receipt@caiqtest.co.nz

Acceptable Matrices:
Our accreditation covers: milk, milk powders, infant formula

Limit of Detection:
Any concentration greater than 0.2 mg/100 g is detectable.

Sample Size Requirements:
50 grams of sample is needed.

Equipment:
HPLC-FLD

Reportable Units:
mg/100 g

Turn Around Time:
7 Business Days

Is Urgent Service Available?
No (Enquire our customer service for special requirements at sample.receipt@caiqtest.co.nz)

Method Reference:
GB 5009.84-2016

Method Description:
Testing reports values for vitamin B1 (thiamine). Following an acid digestion and an enzymatic hydrolysis, thiamine from the sample is derivatized to a stable thiochrome using alkaline ferricyanide. Thiochrome is a fluorescent compound which can be analyzed by HPLC equipped with a FLD detector.

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