Revised Standard from Last Update.

1. SCOPE

1.1 This standard (Part 7) prescribes a method for the measurement of concentration of hydrogen sulphide (H2S) in ambient air.

1.2 The range of concentration covered in this method is 6 to 600 µg/m3 of H2S in air.

2. REFERENCES

The standards listed below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards below.

265 : 1993 Hydrochloric acid

266 : 1993 Sulphuric acid

376 : 1986 Sodium hydroxide, analytical reagent

1070 : 1992 Reagent grade water

4167 : 1980 Glossary of terms relating to air pollution

2303 (Part 1/Sec 1) : 2012/ISO 719 : 1985 Grading glass: Part 1 Method of test and classification, Section 1 Hydrolytic resistance of glass grains at 98 ºC