Summary
The paper introduces biguanide acid sulphate, C2N5H7 · H2SO4 · 1,5H2O, as a primary standard acidimetric reagent. The reagent has several advantages over some of the primary standard acidimetric reagents commonly used. It is economic.
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Ray, A.K. Use of biguanide sulphate as a reagent. Z. Anal. Chem. 156, 18–22 (1957). https://doi.org/10.1007/BF00462515
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DOI: https://doi.org/10.1007/BF00462515