Chromium is a chemical element (Cr) and hard, corrosion-resistant metal with a high melting point. Chromium is used in a wide range of applications such as:
Boron is a hard, fragile, and brittle semi metallic element (B) which has a very high melting point. Boron minerals, borates and compounds are used in a wide range of application such as:
Sodium (Na) is a soft silvery-white element of the highly reactive alkali metal group. Sodium based derivatives Sulfates, sulfites, and persulfates are used in wide variety of applications. Examples include: