range is iui important iiieasure of purity or. D general corriposition for many materials. It is of p:w- i ii~ul:ii~ importance for m:il tar and petro...
H. B. H. Cooper, and E. C. Medcalf. Anal. Chem. , 1950, 22 (4), pp 587â590. DOI: 10.1021/ ... Petroleum. Harry Levin. Analytical Chemistry 1951 23 (2), 231-237.
Tm purpose of this paper is to describe the con- stmction of a very inexpensive but extremely reliable and convenient electrical flask heater, made from com-.
refinements, of several types observed in various labora- ... dents. This type of heater can be used only in conjunc- tion with a variable-power transformer.
Beloit College, Beloit, Wisconsin. Tm purpose of this paper is to describe the con- stmction of a very inexpensive but extremely reliable and convenient electrical ...
Edison battery, fearing that the battery may not be durable, for one manu- facturer of electric vehicles absolutely guarantees to replace anything that goes wrong ...
Edison battery, fearing that the battery may not be durable, for one manu- facturer of electric vehicles absolutely guarantees to replace anything that goes wrong ...
major constituent is greater than about ten times that of the minor constituent, because of the exceedingly large oscillations of the galvanometer. On the other ...
of the compensating e. m. f. was made to bring the galvanometer deflection exactly tozero, and the wave of the zinc was recorded starting at an applied e. m. f. of ...
time and the time interval at which they reach the end of the slide noted. The Barrett. Company. 17 Battery. Place, New York. City. A CONVENIENT ELECTRIC ...
Anal. Chem. , 1955, 27 (1), pp 166â167. DOI: 10.1021/ac60097a063 ... Microdeterminations Carried Out on the Van Slyke Manometric Apparatus. 1961,454-494 ...
Improved Equipment for Engler-Type Distillations Internal Electric Heater 11. li. 11.
