Rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate minerals. The phosphate content of phosphorite (or grade of phosphate rock) varies greatly, from 4% to 20% phosphorus pentoxide (P2O5). Marketed phosphate rock is enriched ("beneficiated") to at least 28%, often more than 30% P2O5. This occurs through washing, screening, de-liming, magnetic separation or flotation.
Rock Phosphate Fertilizers Garde
Chemical Name:ROCK PHOSPHATE
Synonyms Phosphorus ore; ROCK PHOSPHATE
CB Number:CB3942730
Molecular Formula:3Ca3(PO4)2�·CaR2
Analysis Method as per AOAC 958.01 for Total Phosphrous
ROCK PHOSPHATE USES
Some of the rock phosphate is processed to extract the elemental phosphorous, which serves as an important feed stock for the chemical industry. However, the most significant application of rock phosphate is in the fertilizers for the agricultural industry. The phosphate rocks used in agricultural applications typically comprise of phosphorous pentoxide (P2O5) in 30% concentration, calcium carbonate in 5% concentration, and 4% or less of aluminum and iron oxides.
Besides, fertilizers and chemicals, the other areas where rock phosphate is applied, include:
1.Metallurgy 2.Watertreatment
3. Fungicides
4. Cosmetics
5. Anti-corrosion agents
6. Food preservatives
7. Animal feed supplements