Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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New Cosmos Electric Co Ltd
Original Assignee
New Cosmos Electric Co Ltd
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Filing date
Publication date
Application filed by New Cosmos Electric Co LtdfiledCriticalNew Cosmos Electric Co Ltd
Priority to JP6402888UpriorityCriticalpatent/JPH0618289Y2/ja
Publication of JPH01167654UpublicationCriticalpatent/JPH01167654U/ja
Application grantedgrantedCritical
Publication of JPH0618289Y2publicationCriticalpatent/JPH0618289Y2/ja
Determination of sub-part-per-million levels of formaldehyde in air using active or passive sampling on 2, 4-dinitrophenylhydrazine-coated glass fiber filters and high-performance liquid chromatography
Monitoring Toxic Gases in the Atmosphere for Hygiene and Pollution Control: Pergamon International Library of Science, Technology, Engineering and Social Studies