GB 5009.254-2016 Translated English of Chinese Standard. GB5009.254-2016: National Standard for Food Safety - Determination of Polydimethylsiloxane in Animal and Vegetable Fats and OilsThis Standard specifies the method of determining polydimethylsiloxane in animal and vegetable fats and oils. This Standard shall be applicable to the determination of polydimethylsiloxane in animal and vegetable fats and oils. |
Contents
| 3 | |
Instruments and Equipment | 4 |
Expression of Analysis Results | 5 |
Precision | 6 |
Instruments and Equipment | 7 |
Expression of Analysis Results | 8 |
Precision | 9 |
Appendix A Instrument Reference Conditions | 10 |
Common terms and phrases
4-methyl-2-pentanone to dilute accurate to 0.01 Add 4-methyl-2-pentanone arithmetic mean value atomic absorption spectrometer atomic emission spectrometer aviation kerosene bath at 70°C blank grease blank constant volume content of polydimethylsiloxane coupled plasma atomic density of polydimethylsiloxane determination results obtained dissolved into water Easily solidified grease expressed in mL Expression of Analysis fats and oils fluid of polydimethylsiloxane g accurate hydrate vegetable oil Hydrochloric acid immediately measured independent determination results inductively coupled plasma Inhale the standard kerosene to dilute kettle at 70°C mg of polydimethylsiloxane mL volumetric flask nitrous oxide-acetylene gas obtained under repeatability oil or animal oil or hydrate Place what’s need placed in water plasma atomic emission plastic centrifuge tube polydimethylsiloxane in animal repeatability conditions result shall retain Sample Solution Inhale solution of polydimethylsiloxane specified in GB/T standard curve line Standard stock solution standard working fluid value of absorbance vegetable fats vegetable oil blank water bath kettle Weigh-take 5 g y-coordinate