Phosphate rock may be in the form of nodular from 4% to 20% phosphorus pentoxide (P 2 O 5).Marketed phosphate rock is enriched ("beneficiated") to at least 28% Helgi Analytics Research. Last Updated: Jun 1 its dy... [email protected] +44 20 8123 2220 (UK) +1 732 587 5005 (US) Contact Us | FAQ |The use of reactive phosphate rock (RPR) as a base for phosphate based fertilisers is well founded in Australia and overseas through numerous independent and replicated trials and studies. Using a highly reactive
