J. Chem. Educ. , 1933, 10 (7), p 441. DOI: 10.1021/ed010p441. Publication Date: July 1933. Cite this:J. Chem. Educ. 10, 7, 441-. Note: In lieu of an abstract, this ...
EVAN NOONAN, Columbia University, New York, N. Y.. SEVERAL devices have been described for removing fractions of distillate without interrupting the ...
vacuum system are dependent on a steady streamof coolant water for safe and efficient operation. Any interruption of the flow of water can be used to activate.
successfully used .in Coker College laboratory for intro- ducing samples into Victor Meyer tubes in making vapor density determinations and for introducing ...
Device For Opening Small Sealed Objects Under Vacuum. G P. Schacher. Anal. Chem. , 1959, 31 (1), pp 161â161. DOI: 10.1021/ac60145a607. Publication ...
However, the task of seal- ing thin-walled nmr tubes to vacuum line glass demands a certain amount of glass- blowing skill. This device reduces the problem to one of sealing the tube with a small ... with two metal clips (2). The tube should be ...
cipitate. The latter was collected, the filtrate saturated with salt and a second crop of sulfonic acid collected after cooling for several hours. The crude nitrosulfonic ...
Device for Automatic Protection of Diffusion Vacuum Pump. Theodore J. Wang. Ind. Eng. Chem. Anal. Ed. , 1945, 17 (10), pp 670â670. DOI: 10.1021/ ...
Mu Switch Co., Canton, Mass.) Pilot lights indicated in Figure 1 are 24- or 30-volt bulbs. Op- eration of the lights is opposite that of the switchâi.e., the light.