This standard specifies the method for diantipyrine methane spectrophotometric determination of the element titanium content in soil, forage, and animal manure. This standard is applicable to the determination of titanium content in soil, forage, and animal manure.
T/NAIA 007-2020 history
2020T/NAIA 007-2020 Determination of titanium content in soil, grass and feces diantipyrine methane spectrophotometric method