Nitrogen

Title	Test Name	Measuring Range	Method No.	Product Type
Nitrogen, total HR with Vial Test	TN HR TT	5 - 150 mg/L N^b)	M281	Photometer Spectrophotometer
Nitrogen, total LR with Vial Test	TN LR TT	0.5 - 25 mg/L N^b)	M280	Photometer Spectrophotometer
Nitrogen, total HR with Vial Test	TN HR 2 TT	5 - 140 mg/L N^{b) i)}	M284	Spectrophotometer
Nitrogen, total LR with Vial Test	TN LR 2 TT	0.5 - 14 mg/L N^b)	M283	Spectrophotometer