Our promise is

Purity

HPLC solvent ^m^^Ê^I^^ÊÊÊÊrê the first to be develoilw^xpressly for the unique d i p P r a s Of HPLC. Because of the ht§h standards mainta ined throughout their manufacture, they are all guaranteed to per form as spec i f i ed in the i r r e c o m m e n d e d applications.

ChromAR solvents are r ig id ly tested and controlled for unsurpassed purity. They have low levels of water, free acid, evaporative residue and UV absorbance; they all meet a GLC assay of 99% or better and are f i l tered to one micron or less to minimize

For more information call your distributor or contact:

^pa r t i cu l a t e contamination. I Ope efficient purchase order gets f you immediate delivery on any of the

14 ChromAR solvents —all available from a nationwide network of wel l -stocked local distributors. And you also get the convenience of one-source responsibil i ty for shipping, bil l ing and fo l low-through support from the most responsive service or­ganization in the business.

Now available: ChromAR wator 4 for HPLC dependably pure for all

HPLC applications

SCIENCE PRODUCTS DIVISION. Mallmckrodt. Inc . Post Office Box M. Par KY 4 0 3 6 1 . P h o n e HOC) ^ M - ^ O S ; »

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