American Allsafe Co., Inc

Series 2100. 2.5 ml. Series 2300. Series 2000 and 2200 bombs are fired by an electric hot wirewhile submerged in running water. Series. 2100, 2300 and...
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Sodium Peroxide BOMBS

Series 2000 and 2200 bombs are fired by an electric hot wire while submerged in running water. Series 2100, 2300 and 2320 bombs are fired by directing a gas flame against the fusion cup.

ALLSAFE DYNEL TEST IT FREE! RIGHT IN YOUR O W N PLANT

INDUSTRIAL WORK CLOTHING RESISTS

22 ml.

ACIDS,

Series 2000

22 ml. Series 2 100

ALKALIES, The combustion reaction is com­ pleted within a few seconds after ignition and the gaseous products are immediately absorbed by the al­ kaline reagents. The remaining cake dissolves quickly when the bomb cup is placed in warm distilled water, thereby putting the original sample into solution for analysis.

8 ml. Series 2320

2.5 ml. Series 2300

For r a p i d c o m b u s t i o n reactions w i t h Na2 0 2 t o d e t e r ­ mine: A R S E N I C , B O R O N , B R O M I N E , FLUORINE,

IODINE,

CHLORINE,

PHOSPHORUS,

S I L I C O N and especially SULFUR

SELENIUM,

in c o a l , coke, or­

ganic compounds, p e t r o l e u m p r o d u c t s , insecticides, rubber and o t h e r o r g a n i c m a t e r i a l s . PARR Peroxide Bombs are o f f e r e d in f o u r sizes: Bomb Siie ml

Bomb Type

Macro Macro Semi-Micro Micro •

42 22 8 2.5

Max. Total Combustible Matter gram

1.3 0.50 0.20 0.085

Acceler­ ator gram

2.0 1.0 0.2 0.1

Sodium Peroxide gram

30 15 4.0 1.5

Ask your Parr Deafer or write direct for Specification 2000 describing this apparatus.

PARR EST. 189?

·

INSTRUMENT CO., MOLINE, ILLINOIS MAKERS OF CALORIMETERS AND PRESSURE REACTION EQUIPMENT

GREASE, DIRT,

OIL! AMAZING TESTS PROVE ALLSAFE DYNEL Clothing Outwears Ordinary Cot­ ton or Wool W o r k Cloth­ i n g Ten Times Over! Boiled in 5% Sulphuric Acid . . . for 20 hours, ALLSAFE DYNEL does not even lose strength or pick up a single spot or stain.

71 actual laboratory tests with Nitric Acid, Sodium Hydroxide, powerful Inorganic Salts, Perox­ ide, Chlorox, Gasoline, Toluene, Urea, and other chemicals show the surprising qualities of the ALLSAFE DYNEL Clothing. HOW TO GET YOUR ALLSAFE

DYNEL CLOTHING FOR A FREE T R I A L ! We'll send you an ALLSAFE DYNEL g a r m e n t to inspect. W r i t e for details today. No charge if returned in sale­ able condition.

American Allsafe Co., Inc. 1245 Niacara St. · Buffalo 13. Ν. Υ.

60A

ANALYTICAL

CHEMISTRY