GB 5009.141-2016 Translated English of Chinese Standard. GB5009.141-2016: National food safety standard - Determination of allura red in foodshttps://www.chinesestandard.net, 21 ¡.¤. 2018 - 9 ˹éÒ This standard specifies the determination method of allura red in soft drinks, hard candy, cakes and ice cream. This standard applies to the determination of allura red in soft drinks, hard candy, cakes and ice cream. |
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absolute ethanol accurate to 0.001 acidic hot water ADD 1 mL ADD water allura red standard citric acid solution CONTAIN the rinsing desorb the pigment desorption solution Determination of allura DISSOLVE and MIX ethanol to rinse ethanol-ammonia solution evaporating dish flowing out solution Formic acid fully mix funnel for filtration g accurate g of polyamide GB/T hard candy methanol-formic acid solution MIX it uniformly mL volumetric flask multiple rinsing n-butanol natural pigment paper chromatography petroleum ether pH to acidity pH4 to rinse PIPETTE polyamide powder adsorbing powder to absorb Reagents red in foods REMOVE the ammonia retained for paper rinse the evaporating rinsing process rinsing solution Sodium citrate sodium tungstate solution solution is colorless solution is neutral solution is retained solution to desorb solution to rinse standard use solution Sulfuric acid TRANSFER polyamide powder volume fraction wash away sugar water at 70 water at pH4 water bath WEIGH 10 g