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 3 mg/100 g is detectable.
Sample Size Requirements:
50 grams of sample is needed.
Equipment:
UV/VIS Spectrophotometer
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 5413.20-2013
Method Description:
Testing reports values for choline and choline hydroxide. Following an acid hydrolysis, free choline is oxidized by enzyme, then dyed by chromogenic reagent. Chromogenic reaction product is measured by UV-Vis spectrophotometer.
