總揮發性有機物(TVOC)是指沸點在50~250℃之間的揮發性化合物的總量,它們是廣泛存在于室內環境中的無色氣體。室內環境中的TVOC可以是從室外空氣中進入,也可能是從建筑材料、裝飾裝修、各種家具、化妝品以及室內墻面的油漆中散發而來。TVOC污染物濃度過高,可致癌,對人體傷害極大。為了預防和控制民用建筑工程室內環境污染,國家標準《民用建筑工程室內環境污染控制規范》(GB 50325—2010)中規定了9種TVOC化合物的檢測。而新版國標《民用建筑工程室內環境污染控制標準》(GB 50325—2020)中規定了16種TVOC的化合物檢測。
浩瀚色譜(山東)應用技術開發有限公司,使用Tenax-TA吸附管采集樣品后,經熱脫附儀解析-冷阱捕集,氣相色譜FID分離,外標法定量測定室內空氣中TVOC。線性良好,相關系數(r)均在0.9989~0.9999之間。該檢測方法操作簡單,精密度好,準確度高,適用于空氣中TVOC的分離檢測。
名稱:HH-1毛細管柱
規格:60m*0.25mm*1.0um
*高使用溫度:300°C
編號:20240725007
應用:島津GC-2010,GC-2014,GC-2018,GC-2030
Total volatile organic compounds (TVOC) refer to the total amount of volatile compounds with boiling points between 50 and 250 ℃, which are colorless gases widely present in indoor environments. TVOC in indoor environments can enter from outdoor air or be emitted from building materials, decoration, various furniture, cosmetics, and paint on indoor walls. Excessive concentration of TVOC pollutants can cause cancer and cause great harm to the human body. In order to prevent and control indoor environmental pollution in civil construction projects, the national standard "Code for Indoor Environmental Pollution Control of Civil Construction Projects" (GB 50325-2010) specifies the detection of 9 TVOC compounds. The new version of the national standard "Indoor Environmental Pollution Control Standards for Civil Building Engineering" (GB 50325-2020) specifies the detection of 16 compounds of TVOC.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. used Tenax TA adsorption tubes to collect samples, which were then analyzed by a thermal desorption instrument, captured by a cold trap, separated by gas chromatography FID, and quantitatively determined by external standard method for TVOC in indoor air. The linearity is good, with correlation coefficients (r) ranging from 0.9989 to 0.9999. This detection method is easy to operate, has good precision and high accuracy, and is suitable for the separation and detection of TVOC in the air.
Name: HH-1 capillary column
Specification: 60m * 0.25mm * 1.0um
*High operating temperature: 300 ° C
Number: 20240725007
Application: Shimadzu GC-2010, GC-2014,GC-2018,GC-2030