This regulation applies to initial verification, subsequent verification, and use inspection of online ammonia-nitrogen automatic analyzers which is based on electrode method and spectrophotometry.
Basic Data
Standard ID
JJG 631-2013 (JJG631-2013)
Description (Translated English)
Verification Regulation of Ammonia-Nitrogen Automatic Analyzers
Sector / Industry
Metrology and Measurement Industry Standard
Classification of Chinese Standard
A61
Classification of International Standard
17.020
Word Count Estimation
17,194
Older Standard (superseded by this standard)
JJG 631-2004
Regulation (derived from)
AQSIQ Announcement No. 114, 2013
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine
Summary
This standard applies to: electrode method and spectrophotometry automatic monitor on -line ammonia initial verification, testing and use of the follow-up examination.
