Technical Articles2022-03-04T06:18:50+00:00
2507, 2024

Application of Nutech2600 Canister Trigger Sampling System and NCMS6300 Continuous Non-Methane Hydrocarbon Monitoring System in VOC Monitoring in Industrial Parks

Application of Nutech2600 Canister Trigger Sampling System and NCMS6300 Continuous Non-Methane Hydrocarbon Monitoring System in VOC Monitoring in Industrial Parks Background Introduction In recent years, the world has made significant progress in combating PM2.5 pollution. However, ozone pollution has become increasingly prominent, leading to a complex pollution scenario dominated by both PM2.5 and ozone. Volatile Organic Compounds (VOCs)

1707, 2024

Application Note: Nutech 2703 Sample Train Certification for Ethylene Oxide by US EPA Method 327

Nutech 2703 Sample Train Certification for Ethylene Oxide by US EPA Method 327 Abstract The Nutech 2703 digital automatic air sampling controller with silica-coated canisters for ethylene oxide sampling procedure by EPA Method 327 has been evaluated. The whole sampling train meets the requirements established by EPA Method 327. The sampling train includes a sample inlet with filter,

1206, 2024

Nutech Canister Sampling and Preconcentration System for Detecting VOCs in Semiconductor Cleanrooms

Nutech Canister Sampling and Preconcentration System for Detecting VOCs in Semiconductor Cleanrooms Background With the rapid development of semiconductor process technology, chip linewidths have entered the nanoscale, imposing increasingly stringent environmental requirements on cleanrooms. Gaseous molecular contaminants, known as airborne molecular contaminants (AMCs), which are smaller than particulate pollutants, can penetrate the microstructures of semiconductor devices and deposit

209, 2022

Determination of Volatile Organic Compounds in Air

Download the PDF version Determination of Volatile Organic Compounds in Air Anne Jurek Introduction Air pollution is a growing problem due to the global economy and industrial development in many countries. As a result, the analysis of ambient air is a growing field. The Environmental Protection Agency developed Method TO-15 in order to analyze air

804, 2022

On-road tailpipe emission characteristics and ozone formation potentials of VOCs from gasoline, diesel and liquefied petroleum gas fueled vehicles

On-road tailpipe emission characteristics and ozone formation potentials of VOCs from gasoline, diesel and liquefied petroleum gas fueled vehicles Download PDF Version HIGHLIGHTS VOCs from various types of vehicles were investigated systematically with the PEMS. Aromatics and alkanes were the dominant VOC groups from in-use vehicle exhaust. Aromatics were the major contributors of the total

403, 2022

Nutech 3000 THC & NMHC Analyzer Application Note for Wastewater VOCs Testing in San Francisco

Background Introduction This application note is provided by Cambrian Innovation, the leading wastewater treatment solution provider in US. They built a plant to help Anchor Brewing, one of the oldest beer producer in US,  to deal with their wastewater and make sure that after their treatment, the wastewater's NMHC concentration should be within allowable limit. Cambrian used our

1410, 2021

Analysis of 117 VOCs Compounds by Using Nutech 8910 Preconcentrator System

Application Note: Analysis of 117 VOCs Compounds by Using Nutech 8910 Preconcentrator System 【Abstract】 By Using three stage cryogenic system + GC/MS technology (Full Scan and/or SIM) 117 VOC compounds (TO15 + PAMS + Aldehyde Compounds Mix by Linde) in air be analyzed to check the 8910 instrument performance. The results shows that in 0.1-10.0ppb range, the calibration,

1805, 2021

Application Note: A Fast Run for EPA TO-15A by Using Nutech 8910 Preconcentrator System

Application Note: A Fast Run for EPA TO-15A by Using Nutech 8910 Preconcentrator System 【Abstract】 By Using three stage cryogenic system + GC/MS technology (Full Scan and/or SIM) 82 VOC compounds (TO15A Mix by Linde) in air be analyzed in a fast single run performance. The results shows that in 0.1-20.0ppb range the calibration, precision, accuracy, blank and

2704, 2021

Application Note by Using Nutech Preconcentrator System for EPA TO-15A Lab Analysis

Application Note by Using Nutech Preconcentrator System for EPA TO-15A Lab Analysis 【Abstract】 By Using three stage cryogenic system + GC/MS technology (Full Scan and/or SIM) 82 VOC compounds (TO15A Mix by Linde) in air was analyzed in a single run. The results show that in 0.5-10.0ppb range the calibration, precision, accuracy, blank and MDL etc. are all

1003, 2021

Study of VOC and Photochemical Ozone Pollution in the Pearl River Delta Region

Study of VOC and Photochemical Ozone Pollution in the Pearl River Delta Region   1 INTRODUCTION 1.1 Background 1.1.1 The rapid economic development in the Pearl River Delta (PRD) Region including Hong Kong Special Administrative Region over the past decade has resulted in changes in the nature of air pollutants emitted from various activities in the region. There has

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