JUST PUBLISHED
New Mettier CLEANING COMPOUND now BIODEGRADABLE /*C**i·
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Weighing Accessories Catalog A carefully chosen group of accessories are described in a new catalog from Mettier. Included are calibrated weighing vessels, special pans, weighing aids, protec tive covers, and other items. Some permit faster, more convenient, routine weigh ings; others aid in handling difficult materials; still others protect the balance from unusual conditions. All enhance the usefulness inherent in every Mettier balance. Request your copy of the new Mettier Accessories Catalog 662A. Write Mettier Instrument Corporation, 20 Nassau Street, Princeton, New Jersey 0 8 5 4 0 .
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~7/L£-/£L£JL· Circle No, 61 on Readers' Service Card
Thomas Biodegradable Cleaning Com pound. A powdered "soft" detergent, specially compounded for hand washing of laboratory glassware, porcelain, and metal ware. Dissolves quickly in hard or soft water, hot or cold. Rinses clean, leaving no film. Buffered to maintain mildest degree of alkalinity (approx. pH 9) compatible with efficient detergent action. The usual con centration is J-£ ounce to 1 gallon of water. Solution penetrates and loosens chemical residues, dried blood, wax pencil marks, etc. Emulsifies oils, greases, and fats. Dis perses insoluble powder films remaining from dry mixing of charcoal, pigments, catalysts, etc. Efficient for making soak solution to facilitate freeing frozen glass joints, stopcocks and stoppers. Specially recommended for soaking pipets prior to rinsing in siphon-type washers. Now formulated to provide virtually complete biodegradability. The detergent is readily decomposed by natural bacterial action, avoiding nuisance of persistent foam in drainage systems, sewage plants, or natural streams. 3298. Cleaning Compound, Thomas, Biodegradable, as above described. Per 3 lb. canister, with pourout.. 1.95 Per case of twelve 3 lb. canisters. 18.70 Per case in lots of 3 cases 17.25 Per drum containing 15 lbs 6.90
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FIRST CLASS Permit No. 1 5 3 8 New York, N . Y.
Per drum i n lots of six
15 lb. drums (90 lbs.) Per drum in lots of thirty 15 lb. drums (450 lbs.) Per drum containing 100 lbs
6.20 5.85 38.00
BUSINESS REPLY CARD MO POSTACE STAMP NECESSART IF MAILEB IN THE ONITEB STATES
Sample sent upon request POSTAGE WILL BE P A I D BY
A R T H U R H. T H O M A S C O . Scientific Apparatus
4 3 0 Park Avenue
V I N E S T R E E T AT 3 R D P H I L A D E L P H I A , PA. 1 9 1 0 5 Circle No. 86 on Readers' Service Card
VOL. 38, NO. 1 3, DECEMBER 1 966
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ANALYTICAL CHEMISTRY N e w York, Ν. Υ.
117A
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