Describes the principles of the method, which is a continuous dynamic method, for the preparation of gas mixtures in which the components that is desired to use generally have a concentration between 10-9 and 10-5 (by volume) with an achievable accuracy of 2 % of the concentration of the component.
Số hiệu tiêu chuẩn
ISO 6349
Tên tiêu chuẩn
Gas analysis - Preparation of calibration gas mixtures - Permeation method
Ngày phát hành
1979-12-00
Tiêu chuẩn tương đương
BS 4559-7 (1981-04-30), IDT * NF X20-209 (1979-12-01), IDT * PN-ISO 6349 (1994-12-15), IDT * UNE 77238 (1999-09-24), IDT * TS 5467 (1988-02-16), IDT * STN ISO 6349 (1993-12-01), IDT
Thay thế bằng
ISO 6145-10 (2002-02)
Từ khóa
Calibration * Gas analysis * Gas mixtures * Specimen preparation * Sample preparation