V O L U M E 25, N O . 1, J A N U A R Y
FREE
1953
9A
M A I L C O U P O N FOR Y O U R SAMPLER
Prove to Yourself the value of S & S Filter Papers! YOU, as an analytical chemist, know that precise chemical analysis requires filter papers of the proper quality and density. When you equip your laboratory with S&S Analytical Filter Papers, you and your fellow chemists automatically begin each analysis with two advantages:
select the proper filter paper for any given filtration. To acquaint you with S&S Analytical Filter Papers, Schleicher & Schuell invite analytical chemists to mail the coupon below for a free sampler made up of several grades of S&S Filter Papers. FREE—Desk-Size Filtration Chart
1. Standardization, for consistent accuracy. All S&S Analytical Filter Papers are made of the highest grade alpha cellulose. Each separate grade is manufactured to completely standardized physical characteristics. 2. Selection, for more precise analysis. S&S Analytical Filter Papers offer a wide range of types from which to choose. You can always
For desk or pocket—complete data on relative retention values of S&S Analytical Filter Papers, and other brands, in convenient size for ready reference. This data makes it possible to tell at a glance which paper to select for any given analysis. Use the same coupon below to get both FREE— the S&S Filtration Chart, and the S&S Analytical Filter Paper Sampler. Act now!
CARL
Be sure to get your
S & S SAMPLER Mail coupon
today!
SCHLEICHER & SCHUELL Dept. A-1, Keene, New Hampshire Gentlemen: Please send me your FREE • S&S Analytical Filter Paper Sampler • S&S Desk-size Filtration Chart Name Company Name Address City
State
CO.
