Nitrogen

N2


NIST Chemical Data (CAS: 7727-37-9)
Analytical Guide

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 Method    Analyte 
 CAS Number

Analyze Using Methods:
Method
Title
Matrix
Citation
3C 
Determination of Carbon Dioxide, Methane, Nitrogen, and Oxygen from Stationary Sources 
Air
EPA 40CFR Part 60 Appendix A
351.2 
Total Kjeldahl Nitrogen(Semi-Automated Colorimetry) 
Water
EPA: Office of Water
350.3 
Nitrogen, Ammonia (Potentiometric, Ion Selective Electrode) 
Water
EPA: Office of Water
352.1 
Nitrogen, Nitrate (Colorimetric, Brucine) 
Water
EPA: Office of Water
353.2 
Nitrogen, Nitrate-Nitrite (Colorimetric, Automated, Cadmium Reduction) 
Water
EPA: Office of Water
354.1 
Nitrogen, Nitrite (Spectrophotometric) 
Water
EPA: Office of Water
D-1945 
Standard Method for Analysis of Natural Gas by GC (Fixed Gases) 
Air
ASTM
D-1946 
Standard Method for Analysis of Reformed Gas by GC (Fixed Gases) 
Air
ASTM
993.13 
Total Nitrogen in Fertilizers 
Fertilizer
AOAC
D-5373 
Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal  
Solids
ASTM
RSK SOP-175 
Analysis of Dissolved Methane, Ethane and Ethylene in Ground Water 
Water
EPA


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Frequently Requested Methods

Method 23 for D/F Method 23 for D/F and HR-PCBs
Method 26 / Method 26A for HCl/Cl2, HBr/Br2 and HF 0030 VOST for Volatile Organic Compounds
Method 29 (M29) for metals, including Mercury (Hg) Method 0010/8270 for Semivolatile Organic Compounds (SVOC)
Method 5 (M5) for Particulates (PM) Method CTM-033 for Hydrogen Cyanide (HCN)
Method NIOSH 7400 for Asbestos Method 0011 for Formaldehyde
Method 18 for various Volatile Organic Compounds (VOC) ASTM D1946 for Fixed Gases
Method TO-14A for Volatile Organic Compounds (VOC)