determine TRACE IMPURITIES with
• accuracy
•
The ACTUAL LOT ANALYSIS on
PLOT YOUR WAY WITH XRD! Get maximum flexibility right from the start with General Electric x-ray chemical analysis When you buy an X R D x-ray emission instrument you make an investment for the future. A wide range of interchangeable components and accessories allows you to tailor your analysis to exact requirements. From small to large, from liquid to solid, G-E x-ray spectrometers can do the job for you. You can analyze 50 micron areas with the G-E miniature probe; handle 8"x5"x2%" samples with the bulk sample holder; analyze liquids with the G-E liquid sample holder. T h e X R D flexibility covers the periodic table from Mg. up. Select power supplies, x-ray tube targets, counter tubes, preamplifiers and radiation read-out systems, all with ability to convert to diffraction techniques. Get complete information from your local G-E x-ray representative. Or write to X - R a y Department, General Electric Company, Milwaukee 1, Wisconsin for a copy of Pub. U U - 5 4 . Tfogress k Our Most Important J^oduef
GENERAL ^
ELECTRIC
^SPG-3 SPECTROMETER—Newest GE component to control atmosphere for analysis of low-atomic no. elements. Circle No. 56 on Readers' Service Card 78 A
.
ANALYTICAL CHEMISTRY
'Baker Analyzed' Reagent labels is most helpful in trace analysis. It often provides an instant check on your blank determinations. Use it with confidence.
Each significant impurity is defined precisely to the decimal, not just maximum limits. Also look for the Actual Lot Assay (not merely a range assay) on almost 400 'Baker Analyzed' labels. It's another aid to fast and accurate laboratory procedures. J. T. Baker Chemical Co., Phillipsburg, N.J.
7 KEY REASONS TO USE 'BAKER ANALYZED' REAGENTS 1 . Highest standards of purity plus most informative labeling. 2 . ACTUAL LOT ANALYSIS on every label. ACTUAL LOT ASSAY on almost 4 0 0 . 3 . Safe, functional packaging. 4 . Broad, progressive line. 5 . Money-saving discount plans. 6. Quick deliveries from almost 100 points of service. 7 . Cap labels identify more than 200 Baker Laboratory Chemicals alsoavailableforproduction use.
-J.T.BakerCall your favorite laboratory supply house for speedy delivery of 'Baker Analyzed' Reagents.
J. T. BAKER LABORATORY CHEMICALS Circle No. 27 on Readers' Service Card
