you can use each and every standard you want. The decisive question you have to re-consider again and again: "What is the aim of my study and what do I want to achieve with this way of normalization. Are you going to study soil homogeneities, provenance, weathering intensity....? What is my dataset like? The aims and data dictate the methods and tools used.
These two standards are generally the most used. UCC can be considered as the main source for many onshore and offshore sediments and soils as well. Regards, Anicet