Simple and flexible flask supports for weighings
Robert Rothchild
pág. 409
Quantitative determination of phosphorus in plant food using household chemicals
Alan Lee, Sally Solomon
págs. 410-412
A study of the pH of perspiration from male and female subjects exercising in the gymnasium
Daniel Doran, John Tierney
págs. 412-414
A water treatment experiment (chemical hardness) for nonscience majors
David S. Soriano, Jon A. Draeger
pág. 414
págs. 415-416
A combination steam and cold plate
J.M. Lucas, E.J. Eisenbraun
pág. 416
págs. 417-420
pág. 420
Kinetics of the hydrolysis of orthoesters: A general acid-catalyzed reaction
Ruth A. Schaller, Richard A. Potts
págs. 421-424
Ribonuclease T1 and alcohol dehydrogenase fluorescence quenching by acrylamide
Ana Coutinho, Manuel Prieto Matías
págs. 425-428
Practical adaptor for heating mantles
Gustavo Marin-Puga, Paris Svoronos
pág. 428
págs. 429-431
pág. 431
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