PARR
BOMBS
For r a p i d combustion a n d fusion reactions w i t h sodium p e r o x i d e , a n d for other l a b o r a t o r y purposes AC2E
22 ml.
This is a general-purpose bomb with electrodes for hot wire i g n i t i o n . It is widely used for determining sulfur, chlorine, p h o s p h o r u s and o t h e r elements in a g r e a t variety of c o m b u s t i b l e organic materials. F u r n i s h e d with a 94% Ni cup and Niplated brass cover. Other cups and covers are available.
A1ACD AC2E
TOO MANY VARIABLES? It's time to draw a line. Straighten out your cleaning problems with
HAEMO-SOL
AC4E
AÎACD AC4E
AC3E
Haemo-Sol guarantees clean laboratory glassware and apparatus—
• assures free draining pipets . . . burets • gives sparkling clear surfaces for quartz and glass absorption cells
A2AC4
A1T6AC
• leaves t h e clean surfaces t h a t are a m u s t for the s m o o t h operation of fractionating c o l u m n s and other pieces of laboratory equipment.
229 Varick Street · New York, 14 Circle No. 55 on Readers' Service Card
116 A
·
ANALYTICAL CHEMISTRY
45 ml.
This bomb is the same as AC3E except the cup is 3%" deep to provide a 45 ml. internal volume. Cups of stainless steel, 94% n i c k e l and 9 9 + % nickel are available.
• provides chemically clean reaction and titration flasks
HAEMO-SOL
42 ml.
This bomb is similar to AC2E except all parts are larger and heavier than in the 22 ml. bomb. It will accommodate samples twice as large as AC2E and AC3E.
• effectively digests protenoid materials . . . other types of polymeric materials
MEINECKE & COMPANY, Inc.
22 ml.
This bomb has a plain cover without electrodes. It is used for sodium peroxide reactions which can be started by heating with a gas torch. Cups of 94% Ni, 3
