This standard specifies classification, requirements, analysis methods, inspection rules, and marking, packaging, transportation and storage of citric acid for food processing.
This standard is applicable to citric acid products made of starchy materials or sugar-containing materials, and such citric acid is mainly used as sour agent, anti-oxidation synergist and flavouring agent for food processing.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrigendum), or revisions of, any of these publications do not apply. However, all parties coming to an agreement based on this standard are encouraged to investigate whether the most recent editions of the standards apply. For undated references, the latest editions of the normative documents referred to apply.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods (GB/T 191-2000, eqv ISO 780: 1997)
GB/T 601 Chemical Reagent - Preparations of Standard Volumetric Solutions
GB/T 602 Chemical Reagent C Preparations of Standard Solutions for Impurity
GB/T 603 Chemical Reagent - Preparations of Reagent Solutions for Use in Test Methods (GB/T 603-2002, ISO 6353-1: 1982, NEQ)
GB/T 606 Chemical Reagent - General Method for the Determination of Water - Karl Fischer Method (GB/T 606-2003, ISO 6353-1: 1982, NEQ)
GB/T 5009.11-2003 Determination of Total Arsenic and Abio-arsenic in Food
GB/T 5009.12 Determination of Lead in Foods
GB/T 6682 Water for Analytical Laboratory Use - Specification and Test Methods (GB/T 6682-1992, neq ISO 3696: 1987)
3 Chemical Name, Molecular Formula, Structural Formula and Relative Molecular Mass
3.1 Chemical name
2-hydroxy propane-1,2,3-tricarboxylic acid.
3.2 Anhydrous citric acid
