Reference
Method
Test
Reagent #
Reagent Name
EPA
Colorimetric; Titrimetric; Potentiometric – Distillation Procedure
Nitrogen, Ammonia
6.7
Borate Buffer
ASTM
Distillation Test Method
Ammonia Nitrogen
X1.2.1
Borate Buffer Solution
APHA
Macro-Kjeldahl Method
Nitrogen (Organic)
3c
Borate Buffer Solution
APHA
Preliminary Distillation Step
Nitrogen (Ammonia)
3b
Borate Buffer Solution
APHA
Semi-Micro-Kjeldahl Method
Nitrogen (Organic)
3
Borate Buffer Solution