Loureiro, João Avelar Maia de, 1901-1949Janz, Guilherme Jorge, 1913-19992022-01-192022-01-191944Biochem J. 1944;38(1):16-90264-6021http://hdl.handle.net/10451/50884© 1944 Cambridge University PressThe present paper is limited to a discussion of the principles of an iodometric and a colorimetric method, which are both more reliable than the usual titration, and to showing that their results agree closely with those obtained by the Clark & Collip (1921) method, when applied to 2 ml. samples of serum.engIodometric and colorimetric methods for the estimation of calcium in serum based on the use of an improved permanganate solutionjournal article10.1042/bj03800161470-8728