If you are running a modern commercial lab, focus on implementing Method B described in the standard for efficiency and safety. If you are a small operation or an academic setting with limited funds but plenty of glassware, Method A remains a viable and robust standard.
: This standard is specifically used for fatty amines and is applicable to materials containing fatty primary, secondary, and tertiary amines. It is not applicable to fatty amidoamines or fatty diamines. astm d2074 pdf
The Total Base Number is calculated as milligrams of Potassium Hydroxide (KOH) equivalent per gram of sample (mg KOH/g). If you are running a modern commercial lab,
: It is generally not applicable to fatty amidoamines or fatty diamines. It is not applicable to fatty amidoamines or fatty diamines
: Bromphenol blue or Bromcresol green are typically used as visual indicators to determine the endpoint of the titration. Available Formats and Access