1.1 This standard specifies the gas chromatography and electrochemical method of film covering cell for the determination of oxygen in gaseous phase above liquid butadiene for industry use, with the measuring range of 100mL/m3~5,000mL/m3 for gas chromatography and 1mL/m3~5,000mL/m3 for electrochemical method of film covering cell.
1.2 This standard doesn't describe any safety problem relative to operation. Therefore, the user has the responsibility to take proper safety and health measures to meet the requirements of relevant laws and regulations in China.
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, its latest editions apply.