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Status : Withdrawn
Standard Type : Main
Document Year : 1986
Pages : 5
Edition : 1
Section Volume : Analysis of gases (ISO/TC 158.)
Describes the preparation of mixtures by continuos mixing of volume flows, whereby the precision of the concentration of each constituent in the range from 10 000 to 10 ppm (V/V) amounts to about 5%. Includes a practical example with figure.