GB 1886.357-2022 Translated English of Chinese Standard (GB 1886.357-2022, GB1886.357-2022): National food safety standard - Food additive - Pigment blueThis standard is applicable to the food additive - pigment blue, which is made from food additive pigment blue and aluminum salt as raw materials, through color lake. |
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absolute difference absorbance value accurate Add 5 mL ammonium acetate solution Analytical procedures Appendix arithmetic mean Arsenic bottle brown calibrated carbon dioxide gas color concentration cooled to room Cuvette determination results retaining dilute dioxide gas flow dissolved Figure A.1 Food additive freshly boiled g of specimen GB/T glass sand core grams g greater Heat hydrochloric acid insoluble Hydrochloric acid solution independent determinations Inspection methods Instruments and equipment liter mark mass fraction maximum absorption wavelength mL of sulfuric mL of water MODIFY the index mol/L mole Molecular formula Physical-chemical indicators pigment blue content Preparation protection of carbon Reagents and materials relative molecular mass repeated conditions Result calculation room temperature sand core crucible Sensory requirements Shake Sodium hydrogen tartrate specimen solution Spectrophotometer standard titration solution sulfuric acid solution Take test results titanium trichloride standard trichloride standard titration unless otherwise specified volume water bath Weigh Weigh about 0.1