英語翻譯
是關(guān)于一種食用糖的化學(xué)測試的:
Methanol
Internal Standard Solution:Pipet 1.0 mL of n-propanol into a 100-mL.volumetric flask,dilute to volume with pyridine,and mix.Transfer 5.0 mL of this solution into a 500-mL volumetric flask,dilute to volume with Internal Standard Solution,and mix.Transfer 1.0mL of this solution into a 100-mL volumetric flask,dilute to volume with Internal Standard Solution,and mix.
Sample Solution:Transfer about 2g of sample,accurately weighed,into a 10-mL volumetric flask,dilute to volume with Internal Standard Solution,and mix.