Preliminary-draft/CHD

S No Document No. Document title Last date of comment Detail Comments
1. CHD 35(25502) Method Measurement of air pollution Part X Vapor Phase Mercury in Ambient Air Sec 2 Cold-Vapor Atomic Absorption or Fluorescence Spectroscopy CVAFS Method Using Acidified solution of KMnO4 31-05-2024 Comment
2. CHD 35(25505) Methods for Measurement of Air Pollution Part XX Vapor Phase Mercury in Ambient Air Sec 1 Cold-Vapor Atomic Fluorescence Spectrometer method by Amalgamation Principle 31-05-2024 Comment
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