Add Ferroin indicator and titrate with 0.025 N ferrous ammonium sulphate solution.加入亚铁菲绕啉离子，用滴定法测量硫酸亚铁铵溶液。
Effects of Thrice Ammonium Sulphate Precipitation Method on Purification of Crude Phycobiliprotein硫酸铵三步盐析对藻胆蛋白纯化的影响
Effects of twice ammonium sulphate precipitation method on purification of antibacterial peptide硫酸铵二次盐析对乳源抗菌肽纯化的影响
Effect of Precipilation with Polyethylene Glycol and Ammonium Sulphate on Ascite McAbs Activity聚乙二醇硫酸铵沉淀法对不同亚类单克隆抗体活性的影响