Henan malpractice Construction Engineering Testing Co., Ltd. is a professional testing company, is one of the qualification place in Henan Province since the first detection through examination of business. Business in the Pile qualification qualification, the qualification grade steel, a qualified indoor environment, building energy efficiency testing, subject testing, materials testing, glass curtain wall testing, roads and bridges detection, detection of a number of civil air defense projects testing qualification and testing laboratories. December 10, 2001, AQSIQ issued the GB18580 ~ 18588-2001 and 10 GB6566-2001 and other interior decoration materials harmful substances limited standard, GB18580 ~ 18588-2001 formally implemented from January 1, 2002. The promulgation of these standards or specifications to control indoor air pollution, protection of human health is of great significance. This book will introduce common interior decoration materials, coatings and adhesives Tongbai steel detection, PVC sheet flooring, wallpaper Xinyang steel inspection, carpet pads and carpet adhesives Pingqiao District Steel detected The method of determination of furniture, concrete admixtures and other harmful substances. Henan malpractice Construction Engineering Testing Co., Ltd. is a specialized steel detection testing company, is one of the qualifications in place to detect enterprises in Henan Province since the first through the assessment. Business in the Pile qualification qualification, the qualification grade steel, a qualified indoor environment, building energy efficiency testing, subject testing, materials testing, glass curtain wall testing, roads and bridges detection, detection of a number of civil air defense projects testing qualification and testing laboratories. This filler dispersion type packed column packed column is coated with a high-boiling organic solvents (such as isotridecanoic) inert porous particles (such as diatomaceous earth), similar to a GC column stationary phase, but an organic solvent use ratio chromatographic stationary phases big. Sampling, the gas sample through a packed column, in an organic solvent (stationary phase) distribution coefficient of components remain in the filler is enriched. Such as coated with 5% glycerol silicate carrier do solid adsorbent can put air dieldrin (dieldrin), DDT, polychlorinated biphenyls (PCB) and other pollutants entire retention, sampling efficiency up to 90% to 100%. After enrichment, adsorption was eluted with methanol, n-hexane purified and concentrated sample, and then measured with electron capture identification, detection limit PCB is 0002mg / m3. Tongbai steel testing, malpractice testing organizations (certification), steel malpractice detected by Henan Construction Engineering Inspection Limited. Henan malpractice Construction Engineering Testing Co., Ltd. (www.hnrsjc.cn) (www.rsgcjc.com) is a leader in Zhengzhou, construction, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum to meet customer needs. In malpractice detected leadership with the staff warmly welcome all inquiries negotiations to create a better future malpractice detected.