V O L U M E 2 7 , NO. 9, S E P T E M B E R 1 9 5 5 Geiger counter x-ray techniques ( 7 ) applied to the anslysis of commercial triphosphate are quicker and more sensitive than photographic methods ( I O ) , but the infrared method appears to be a t least as rapid and as accurate. ACKNOWLEDGWEYT
The authors thank J. T . Dixon for assistance in recording some of the spectra. LITERATURE CITED
(1) Bell, R. X.. Wreath, A. R., and Curless, 15'. T., - 4 ~ 4 CHEY., ~ . 24, 1997 (1952). (2) Corbridge, D. E. C., and Lowe, E. J., J . Chem. Soc., 1954, 493. (3) Ibid., p. 4555.
1387 (4) Crowther, J., ANAL.CHEX.,26, 1383 (1954). (51 Ford. 31. A.. and Wilkinson. C. R.. J . Sci. Instr., 31, 338 (1954).