GB/T 26713-2011 Translated English of Chinese Standard (GB/T26713-2011): Footwear -- Chemical tests -- Determination of dimethyl fumarate (DMF) [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Standard specifies the test methods for dimethyl fumarate in footwear and footwear components - gas chromatography-mass spectrometry and gas chromatography-secondary mass spectrometry. This Standard applies to the determination of dimethyl fumarate in footwear and footwear components. |
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5A molecular sieve abundance ratio accurate to 0.001 acetate to dilute acetate to repeat acetate to rinse amount of dehydrated bombardment ionization ion centrifugation and layering chromatogram of dimethyl chromatography-secondary mass spectrometry combine the extracts completely submerged conical flask content of dimethyl cylinder with stopper dehydrated by 5A dehydrated ethyl acetate ethyl acetate 4.1 Figure B.1 flask with stopper fragments of dimethyl fumarate is shown gas chromatograph-mass spectrometer gas chromatography-mass spectrometry gas chromatography-secondary mass GB/T GC-MC GC-MS selective ion GC-MS-MS standard spectrograms GC-MS-MS total ion ion monitoring total Ionization energy low detection limit mass spectrometry GC-MS-MS measuring cylinder mg/kg mg/L milligrams mL of dehydrated mL of ethyl monitoring total ion N-hexane Pyrolysis Qualitative ion m/z Response intensity Figure rotary evaporator sampled and determined selective ion monitoring shown in Figure small test pieces spectrograms of dimethyl standard working solution syringe filter test solution total ion chromatogram values of dimethyl Volumetric flask