EST- zNose-orangejuice-wp7

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc.

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. Quantification of Diacetyl and Limonene Levels in Orange Juice

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. Quality Control System – capabilities Read about zNose® in detail here. Let’s talk about a Quality control instrument that has the following capabilities -

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. Quality control of food aroma and flavor as well as the elimination of tainting from food packaging requires that an electronic nose be able to speciate and quantify chemical composition.

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. But there are 3 types of problems that an electronic nose might face in this quality control process: Challenges with Electronic nose

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. Int roducing… Electronic Sensor Technology’s patented gas chromatographer zNose ®

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. Testing the quantities of Limonene and Diacetyl in Orange Juice

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. 5 Steps to test Limonene in Orange Juice Step 1- Clear zNose using Air Blank and 10ps-0 Step 2- Create orange juice standard Step 3- Preconcentrat e headspace vapors from orange juice standard Step 4- Analyze orange juice with zNose and 10ps-0 method Step 5- Clear zNose using Air Blank and 10ps-0 method

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. 9 Steps to quantify Diacetyl in orange juice Step 1- Air Blanks using 10ps-0 method initialization of zNose Step 2- Create diacetyl/orange juice standards Step 3- Tenax absorber air blanks 170 degrees using 10ps-0 method Step 4- Cool Tenax absorber to room temperature Step 5- Preconcentrate headspace vapors from diacetyl/orange juice standard Step 6- Dry tenax absorber Step 7- Raise tenax absorber to 170 degrees Step 8- Analyze tenax vapors with zNose and 0ps-0 method Step 9- Tenax absorber air blanks 170 degrees using 10ps-0 method

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www.estcal.com www.estcal.com Electronic Sensor Technology Inc. Email us at: Contact us italibestcal.com We are keen to tell you more about EST zNOSE®

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