📝 Sample Preparation

取2.0 g±0.05 gFruits & Vegetablessample (Tuber Type - Take4.0 g±0.1 g) , Cut Leafy Vegetables into1cmapproximatelySquare PiecesFilm, Tuber Type - Takecross-sectionsampleorTake the Epidermis, Place IntoCentrifuge Tube; Add 10 mLbuffer, shake1~2min, Pour Outextraction solution, let stand2min, ready for testing. 注: 若extraction solutionMuddy TurbidityorImpuritytoo多canFilterThen Measure Again.

🧪 Test Procedure

for照test in/atCentrifuge TubeAdd2.5mLbuffer后, 加100μL酶Reagentsand100μLcolor developmentSolution, mix by shaking, room temperature(有StripWhen Item, Recommend Placing at37°C)Place Below10min, Add 100 μLSubstrateSolutionMix well3-5次, 再Centrifuge TubeSolutionPour the Body intocolorimetricIn Dish, ImmediatelyPlace IntoDedicated pesticide residueAnalyzerFirstChannel, 按“for照”键Proceed/Conducttest. Instruction: ①Adopt/Useroom temperatureMethod时: Blankfor照3minAbsorbanceChange Value△A>0.20时, canContinue Experiment; 当△A<0.20时, need toRedoBlankfor照, If Continuous△AforAbsorbance Value<0.20, PromptReagentscancanInvalid/Failure. ②Adopt/Usenational standardMethod时: Blankfor照3minAbsorbanceChange Value△A>0.30时, canContinue Experiment; 当△A<0.30时, need toRedoBlankfor照, If Continuous△AforAbsorbance Value<0.30, PromptReagentscancanInvalid/Failure. sampletest in/atCentrifuge TubeAdd2.5mLextraction solution (StepSampleSample Prep方Method2) 后, 加100 μL酶Reagentsand100μLcolor developmentSolution, mix by shaking, room temperature (有StripWhen Item, Recommend Placing at37°C) let stand10min (用sec表AccurateStart Timer) , Add 100 μLSubstrateSolutionMix well3-5次, 再Centrifuge TubeSolutionPour the Body intocolorimetricIn Dish, and Immediately Place into Dedicatedpesticide residueAnalyzer, 按“sample”键Proceed/Conducttest. According toMeasureResultDisplayinhibition rateandJudgmentResult.