NEW CATALOG describes 15 Mettler top-loading balances
J.T.Baker introduces theTLC Selector Kit
Mettler's high-speed, easy-to-use, top-loading balances are fully described in a new catalog. Included are units w i t h performance levels ranging f r o m semi-analytical to Π -kilo high capacity. A l l are precise, rapid-reading and offer improved precision-to-capacity relationships. Most unusual is the new M o d e l P160. It features a reversible scale for weight loss studies and gravimetric titrations. Most versatile is the widely-used P1200. Its 1200-gram capacity and ± 1 0 - m i l l i g r a m readability make it ideal for the vast majority of routine weighings. All Mettler top-loaders can be used for five differ ent types of weighings. Included are weighing of un knowns, batching, check-weighing, w e i g h i n g - i n , and below-balance weighing. Request Bulletin Ρ f r o m Mettler Instrument Corpora t i o n , 20 Nassau Street, Princeton, New Jersey 08540.
Mettler® Circle No 5 on Readers' Service Card
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BAKER-FLEX
TLC
flexible
sheets that you can use in the examination of your existing separation programs and for the development of new ones.
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T - o i c o ^ - L n c D r ^ o o o i O m u i L O L n i O L o m m L n c D
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BAKER-FLEX™
lector Kit for t h i n layer chromatography provides a variety of adsorbents on flexi ble sheets that make it easier to select the proper adsorbent type for your specific TLC separations. The Kit contains five each of four different
The BAKER-FLEX sheets in
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cluded in the Kit are : Silica Gel IB-F, Aluminum Oxide IB-F, Cellulose and Polyamide 6. (The Silica Gel IB-F and Aluminum Oxide IB-F sheets can be charred.) There's also a booklet with helpful information on sub jects such as solvent systems, adsorbent types and visual ization techniques. The Kit sells for $10.00. To order your BAKER-FLEX
TLC
Selector
Kit # 1 , contact your local distributor of quality J . T. Baker products today. He has the Kit in stock. J. T. BAKER CHEMICAL COMPANY PHILLIPSBURG, NEW JERSEY 08865 Circle No. 20 on Readers' Service Card 32 A
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ANALYTICAL CHEMISTRY
