- 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! JLou, 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 standard ized physical characteristics. 2. Selection, for more precise analysis. S&S Ana lytical Filter Papers offer a wide range of types from which to choose. You can always
For desk or pocket—complete data on relative re tention values of S&S Analytical Filter Papers, and other brands, in convenient size for ready refer ence. 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
SCHLEICHER
& SCHUELL
CO.
Dept. A-104,Keene, N e w Hampshire
Be sure to get your
S&S SAMPLER Mail coupon today!
Gentlemen: Please send me your FREE Π S&S Analytical Filter Paper Sampler Π S&S Desk-size Filtration Chart Name Company Name Address City—
_State_
For further loformatioi, circle numbers IS A-1, 25 A-2 on Readers' service Card, pate S7 *
V O L U M E 26, NO. 10, O C T O B E R
1954
25 A
