Changes to the European Pharmacopoeia Essential Oils regarding Optical Rotation Measurements / Polarimeter Measurements In April 2022 there is a change coming to the European Pharmacopoeia regarding the measurement of essential oils such as Sweet Orange Oil. The revised monograph requires that samples now need to be measured in a 0.1 dm (10mm) length cell […]
UAN Fertilizer Concentration Analysis – Measure RI & Density for % Concentration
Rudolph Research – Fertilizer Industry Application for UAN Analysis. UAN Fertilizer Concentration Analysis – Measure RI & Density for % Concentration UAN 32 is a formulation consisting of 45% Ammonium Nitrate, 35% Urea with 20% water content. The resulting total nitrogen concentration is 32%. Half coming from the Ammonium Nitrate and the other half from […]
