ISO/NP 16538

Stationary source emissions — Determination of volume flowrate and concentration of fluorinated compounds (FCs) and N2O in ducts of semiconductor and display processes

General information

Current stage: 10.60 Effective date: Nov 26, 2022

Originator: ISO

Owner: ISO/TC 146/SC 1

Type: International Standard

Scope

This International Standard provides a method for determining the volume flowrate of fluorinated compounds (FCs) greenhouse gases such as CF4, NF3, SF6, and N2O, which are used in the semiconductor and display processes such as etching, chemical vapour deposition (CVD), etc. It uses two measuring equipment, including quadrupole mass spectrometer (QMS) to determine the total volume flowrate of exhaust gas from the process and Fourier-transform infrared spectroscopy (FTIR) for determining the concentration of FCs and N2O in the duct.

Life cycle

NOW

IN_DEVELOPMENT
ISO/NP 16538
10.60 Close of voting
Nov 26, 2022

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