This standard specifies the determination method of titanium dioxide in food. This standard is applicable to the detection of titanium dioxide in foods such as flour, candy coating, preserved fruit, jelly, puffed food, fried food, non-carbonated beverage clouding agent, solid beverage and chewing gum. The detection limit of this standard: inductively coupled plasma-atomic emission spectrometry is 1 mg/kg, and diantipyrine methane colorimetric method is 5 mg/kg.
GB/T 21912-2008 Referenced Document
GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 21912-2008 history
2016GB 5009.246-2016 National food safety standard Determination of titanium dioxide in food
2008GB/T 21912-2008 Determination of titanium dioxide in foods
GB/T 21912-2008 Determination of titanium dioxide in foods was changed to GB 5009.246-2016 National food safety standard Determination of titanium dioxide in food.