Pharmacopeia-compliant methods

Application/parameters USP monograph Citation frequency of the test method Test methods
pH value USP<791>
In approx. 1400 USP monographs
In approx. 250 NF monographs
pH value measurement
Conductivity
USP<645> Ultrapure water (pharma)
Conductivity measurement
Various APIs
Various excipients
USP<541>  In approx. 250 USP monographs
In approx. 130 NF monographs
Titration
Water content USP<921>
Method I
In approx. 630 USP monographs
In approx. 110 NF monographs
Karl Fischer titration
Various APIs
Various excipients
Amino acids
USP<621>
USP<1065>
USP<1052>, Method I
In approx. 58 USP and 13 NF monographs
In 3 NF monographs
In 5 USP monographs
Ion chromatography
Various APIs
Thiomersal
Heavy metals
USP<801>
USP<341>
USP<232>, <233>
In 8 USP monographs
Various antimicrobial agent determinations
In approx. 780 USP and 230 NF monographs
Polarography
Various parameters USP<1119> Various Near-infrared spectroscopy