DRIERITE ®
P
t for
" T H E VERSATILE DESICCANT'
For Drying SOLIDS-LIQUIDS-GASES
the
lab
STANDARD LAB APPARATUS: a complete
line of quality ware
SPECIAL LAB EQUIPMENT: send us your
specifications
CHEMICALS: over 40 salts,
solutions, powders in stock REGULAR
Whatever your need for platinum, take advantage of BISHOP'S long experience (since 1842) and complete facilities for the fabrication, refining and recovery of the platinum group metals. And don't forget that your used lab ware and other platinum material has a high scrap value toward the purchase of new products.
ψ&ΓΐΙΗ Pa OSt IT Pt
'·!> - ' · * , . , ,
Send for our catalog PLATINUM
• ptATtwt* «ËTM.S pnooucra
M E T A L S PRODUCTS N O . P-6.
BISHOP J . B I S H O P & C O . MALVERN, A J O H N S O N
platinum
works
DRIERITE
A low cost, all-purpose drying agent, D R I E R I T E is n e u t r a l in reaction, chemically stable, constant in volume, inert except t o w a r d water, insoluble in organic liquids a n d refrigerants, non-disintegrating, nonwetting, non-poisonous, non-corrosive, repeatedly regenerative, a n d non-channeling.
INDICATING
DRIERITE
While possessing all of t h e properties of regular D R I E R I T E , I N D I C A T I N G D R I E R I T E makes a clearly visible change from blue when d r y t o pink when exhausted. Order directiy from your Laboratory Supply Dealer.
PENNSYLVANIA M A T T H E Y
A S S O C I A T E
Write to us for our new 100-page book
W.A.HAMMOND DRIERITE COMPANY 120 Dayton Avenue, Xenia, Ohio Circle No. 28 on Readers' Service Card 74 A
·
ANALYTICAL
CHEMISTRY
Circle No. 49 on Readers' Service Card
