NEW/br CORROSIVE LIQUI J. T. BAKER'S "EASY OFF-EASY ON"
Plastic Bottle Cap • T I G H T SEAL AND RESEAL Acetyl Chloride 'Baker Analyzed^ RÉÀGEÏÏÏ
• NO PLASTER TO CRUMBLE « NO GLASS AMPOULE N E C K TO BREAK
ËJÈMMMJÎ. 1. TIGHT SEAL when bottle ar rives at your laboratory, special inert p l a s t i c protects p u r i t y . (Glass-stoppered bottles may leak in transit, plaster of Paris protective coating deteriorates with leakage. Fragile ampoules r e q u i r e b u l k y s h i p p i n g con tainers.)
2. EASY OFF! Simply unscrew the Kel-F cap and chemical is ready to pour. (No ampoules to file and break, no glass to splin ter, no plaster dust to cause contamination, no twist a n d tug to free a glass stopper.)
3. S T R O N G , SAFE. Kel-F cap wen'* break in your hands or if dropped. Re silient inner liner helps prevent leakage of liquid or v a p o r . No spurt or splash when pouring. (Glass-stoppered bottles may freeze or snap a t neck when opened, with danger of chemical spill ing or splashing.)
4 . EASY O N ! To effect a tight reseal, simply screw the Kel-F c a p back on the bottle as you would any screw-type closure. (Glass - stoppered bottles may leak vapor, ampoules are troublesome to reseal tightly.)
5. EASY STORE! Bottles s e a l e d w i t h the N e w Kel-F cap and insert care not oversize. Tight seal reduces the nuisance of storing under a h o o d . (Ampoules and glassstoppered bottles a r e taller and may require special shelves. Old-style containers must often bs stored under hoods. ^
You'll like the new J. T. Baker "easy off — easy on" Kel-F® cap for corrosive and atmosphere-sensitive liq uids. With a twist, the cap is off. Merely twist again to make a tight reseal. It's easy, quick and safe — no fuss, no nuisance, no bother. J u s t use as you would any screw-type closure.
The f o l l o w i n g J . T. Baker chemicals will be p a c k a g e d w i t h a n "Easy O f f — Easy O n " cap: Acetyl Chloride, Reagent Antimony Pentachloride, Reagent Benzoyl Chloride, Reagent
THE
Bromine, Reagent
NEW
"FIRST"
Bromine, Purified
"EASY IN
OFF — EASY
PACKAGE
DESIGN
O N " KEL-F® TO MAKE
CAP. . . ANOTHER YOUR
JOB
EASIER
J. T.
BAKER
AND
SAFER.
Phosphorus Oxychloride, Reagent Phosphorus Trichloride, Reagent Stannic Chloride, Reagent, Anhydrous
Selenium Oxychloride, Technical Thionyl Chloride, Purified
J.f.Baker r £—_
J . T. B a k e r C h e m i c a l Co. Phillipsburg. New Jersey
©Registered trademark of T h e M. W . Kellogg Co. for a polychlorotrinuoroethylene.