KS I ISO 16702-2019 Workplace air quality — Determination of total organic isocyanate groups in air using 1-(2-methoxyphenyl)piperazine and liquid chromatography
2019KS I ISO 16702:2019 Workplace air quality — Determination of total organic isocyanate groups in air using 1-(2-methoxyphenyl)piperazine and liquid chromatography
2009KS I ISO 16702:2009 Workplace air quality-Determination of total organic isocyanate groups in air using 1-(2-methoxyphenyl)piperazine and liquid chromatography