This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of automatic laboratory ammonia nitrogen analyzers. This standard applies to laboratory ammonia nitrogen automatic analyzers (hereinafter referred to as instruments) using Nessler's reagent spectrophotometry.
JB/T 11938-2014 Referenced Document
GB 4793.1-2007 Safety requirements for electrical equipment for measurement,control,and laboratory use.Part 1:General requirements
GB/T 11606-2007 Methods of environmental test for analytical instruments
GB/T 13384-2008 General specifications for packing of mechanical and electrical product
GB/T 191-2008 Packaging.Pictorial marking for handling of goods
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
HJ 535-2009 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
JB/T 11938-2014 history
2014JB/T 11938-2014 Ammonia-nitrogen automatic analyzers for laboratory.Nessler's reagent spectrophotometry