Soil sampler for VOCs analysis

Soil sampler for VOCs analysis

The invention relates to a soil sampler for VOCs analysis. The soil sampler comprises a sampling cylinder, a sealing cover, a piston, a piston rod connected with the center of the piston, and a push rod. The piston rod is radially provided with a positioning part, the upper end of the sampling cylin...

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Hauptverfasser: LU JIANHANG, CHENG MINGCHAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator LU JIANHANG
CHENG MINGCHAO
description The invention relates to a soil sampler for VOCs analysis. The soil sampler comprises a sampling cylinder, a sealing cover, a piston, a piston rod connected with the center of the piston, and a push rod. The piston rod is radially provided with a positioning part, the upper end of the sampling cylinder is provided with a piston limiting end cover, the center of the piston limiting end cover is provided with a through hole, and the through hole is radially provided with a positioning groove. External threads are arranged on the outer side of the upper end of the sampling cylinder, internal threads are arranged on the inner side of the upper end of the sealing cover, and the sealing cover covers the sampling cylinder from bottom to top and is connected with the external threads through the internal threads. The push rod is connected with the sampling cylinder without limiting the axial actions of the piston rod and the positioning part. Compared with a traditional sampling glass bottle,the problem of volatiliza
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The piston rod is radially provided with a positioning part, the upper end of the sampling cylinder is provided with a piston limiting end cover, the center of the piston limiting end cover is provided with a through hole, and the through hole is radially provided with a positioning groove. External threads are arranged on the outer side of the upper end of the sampling cylinder, internal threads are arranged on the inner side of the upper end of the sealing cover, and the sealing cover covers the sampling cylinder from bottom to top and is connected with the external threads through the internal threads. The push rod is connected with the sampling cylinder without limiting the axial actions of the piston rod and the positioning part. 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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Soil sampler for VOCs analysis
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