Large-area body surface organic volatile matter vacuum-sealing sampling chamber

Large-area body surface organic volatile matter vacuum-sealing sampling chamber

The invention discloses a device which by using negative pressure absorbing the sampling room on a object with large surface area performs the organic volatile matter survey. Its structure comprises a sampling room shell, above which an air entrance and a air collecting port is there. The lower end...

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1. Verfasser: XIANGJIN,YAN DING
Format: Patent
Sprache:eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator XIANGJIN,YAN DING
description The invention discloses a device which by using negative pressure absorbing the sampling room on a object with large surface area performs the organic volatile matter survey. Its structure comprises a sampling room shell, above which an air entrance and a air collecting port is there. The lower end has a opening and the out cycle of the opening stretches outside forming a flange which has on it a vacuum slot and a vacuum air draining port communicating with each other.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Large-area body surface organic volatile matter vacuum-sealing sampling chamber
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