HJ 482-2009
Ambient air.Determination of sulfur dioxide.Formaldehyde absorbing.pararosaniline spectrophotometry (English Version)

Standard No.

HJ 482-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Environmental Protection

Status

Be replaced 2019-01

Replace By

HJ 482-2009(XG1-2018)

Latest

HJ 482-2009(XG1-2018)

Replace

GB/T 15262-1994

Scope

This standard specifies the formaldehyde absorption-pararosaniline spectrophotometric method for the determination of sulfur dioxide in ambient air. This standard applies to the determination of sulfur dioxide in ambient air. When 10ml of absorbing liquid is used and the sampling volume is 30L, the detection limit of sulfur dioxide in the air is 0.007mg/m, the lower limit of determination is 0.028mg/m, and the upper limit of determination is 0.667mg/m. When 50ml of absorbing liquid is used, the sampling volume is 288L, and the sample is 10ml, the detection limit of sulfur dioxide in the air is 0.004mg/m, the lower limit of determination is 0.014mg/m, and the upper limit of determination is 0.347mg/m.

HJ 482-2009 history

• 0000 HJ 482-2009(XG1-2018)
• 2009 HJ 482-2009 Ambient air.Determination of sulfur dioxide.Formaldehyde absorbing.pararosaniline spectrophotometry

HJ 482-2009 Ambient air.Determination of sulfur dioxide.Formaldehyde absorbing.pararosaniline spectrophotometry has been changed from GB/T 15262-1994 Ambient air-Determination of sulfur dioxide-Formaldehyde absorbing-pararosaniline spectrophotometry.