Environmental testing requirements for standard gases / calibration gas
Release Time:
Sep 06,2024
In environmental testing, standard gas is the key to ensure measurement accuracy and reliability.
In environmental testing, standard gas is the key to ensure measurement accuracy and reliability. The following are some of the main requirements for standard gas:
Gas purity
High purity: The purity of the standard gas should be higher than 99.9%, or even close to 100%, to avoid interference of impurities in the measurement results. The specific purity requirements may vary according to the requirements of the detection method and the target analyte. 1.2 Low background interference: The standard gas should exclude substances that interfere with the analytical method as much as possible. This means that the impurity content needs to be controlled during the manufacturing and filling process of the standard gas to ensure its separation and identification from the substance to be measured.
Low background interference: Substances that interfere with the analytical method should be excluded as much as possible from the standard gas. This means that the content of impurities needs to be well controlled during the manufacturing and filling process of the standard gas to ensure its separation and identification from the substance to be tested.
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