control has long been sought. Estimating the amount of ligno- sulfonates in the presence of vege- table tannins is difficult as both mix- tures have complex organic mole- cules with similar structures and functional groups. Lignosulfonates are charac
Yoe and held at the New York Academy ... resentation and discussion of foreign ... For further information, circle number 15 A-1 on Readers' Service Card, page ...
Hard, Cobalite Knife. Edges maintain true edge ... The large weights have sharp hanger edges and their beams are deep-notched to insure that ... For further information, circle number 44 A on Readers' Service Card, page 45 A. ANALYTICAL ...
ExtraLarge OilReservoir. ·. Greater Free Air Capacity. SIMPLE, TROUBLE-FREE MOVEMENT. QUIET RUNNING. â¢. Guaranteed Vacuum .02 mm. (20 microns).
The SPECIAL FEATURES OF THE DENSICHRON* qualifyit for use in many light-measur- ing operations in scientific research and industrial process control.
radioactive waste materials into the ground, water, and air as well as assur- ing purity of radioactive products are two areas in modern nuclear technology which are challenging analytical chem- ists. Some examplesof the analytical techniques and ins
Revised data on ·. ·. ·. ATOMIC AND NUCLEAR PHYSICS. SYNTHETIC RUBBER. NATURAL LOGARITHMS. VISCOSITY. VITAMINS. Continuing the policy of ...
with a filter paper guide for holding and advancing the papergram at 3 mm increments, when used with the Densichron becomes a complete transmission densitometer for quantitative paper chromatography. The quantitative analysis of complex compounds suc
There is fair agreement among the vari- ... 30,000 feet, but this level does not always ... For further information,circle number 47A-1 on Readers' Service Card, ...
Cut GLASS TUBING. AND BOTTLES with the Welch HOT-WIRE. CUTTER. Produces Clean, Straight Breaks. Cuts Hard or Soft Glass with equal facility. ⢠Adjustable heating current. ·. Wire is readily replaceable,. ⢠Step by step instructions on top extra
