ASTM E1917-97

ISO?11400:1992(E)

Nickel, Ferronickel, and Nickel Alloys--Determination of Phosphorus Content--Phosphovanadomolybdate Molecular Absorption Spectrometric Method

ISO?5725:1986

Precision of Test Methods--Determination of Repeatability and Reproducibility for a Standard Test Method by Inter-laboratory Tests

E1601-19

Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method

E50-17

Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

E135-23a

Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials (Includes all amendments and changes 7/17/2023).

E882-10(2016)e1

Standard Guide for Accountability and Quality Control in the Chemical Analysis Laboratory (Includes all amendments and changes 10/27/2017).