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A new method is used for the rapid determination of SO2-4 in laboratory waste water by benzidine hydrochloride separate and acid… Expand Continued investigation of the gravimetric method recently proposed (1) for the determination of the total base of serum and… Expand The use of benzidine hydrochloride to precipitate sulfates as insoluble benzidine sulfate was first proposed by Miiller (1902… Expand In this paper we describe a simple ion chromatographic method for determination of oxalate in urine. Acidified urine was diluted… Expand Two neuronal calcium‐binding proteins, calbindin‐D28k (CaBP) and parvalbumin (PV), were localized in the normal rat hippocampus… Expand Two methods for measuring the activity of antibody-dependent cell-mediated cytotoxicity are compared. One of them is based on the… Expand The mechanism of hyper-reactivity of the Dextrostix system when contaminated with alcoholic skin cleaning agents was investigated… Expand A simplified volumetric method for the determination of sulfur in organic compounds is described. The results obtained by this… Expand Heparin is extracted from tissue by 0.5 M potassium thiocyanate. The protein is removed from the extract with 80% phenol and the… Expand THE chief difficulties in the benzidine method for determination of sulphate arise in obtaining the conditions requisite for… Expand