GB/T 18114.9-2000
Methods for chemical analysis of monazite concentrates—Determination of phosphor oxide content
GB/T 18114.9-2000
Ceramic composites. Determination of oxidation resistanceof non-oxidemonolithic ceramics
GB/T 18114.9-2000
Washing powders-Determination of total phosphorus(V) oxide content-Quinoline phosphomolybdate gravimetric method
GB/T 18114.9-2000
Alumina. Method for determination of phosporus oxide
GB/T 18114.9-2000
Analysis of formulated detergents-Quantitative test methods-Method for determination of total phosphorus (V) oxide content
GB/T 18114.9-2000
Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozone hydroxyl radical oxidation (COHR)