SUPRAPUR REAGENTS ®
WE LAY PURITY AND LOW PRICE RIGHT ON THE TABLE.
Finally, there's a line of ultrapure reagents which won't cost you a fortune. They're Suprapur' 5 reagents. EM Laboratories' ideal combination of price and purity. Suprapur reagents are manufactured by E. Merck, Darmstadt, Germany. They are produced in one of the world's most impressive clean rooms. And each one carries a guaranteed assay with impurities often in the range of 10"6% . . . and less.
Some Typical Comparisons _f
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EM
I Acetic Acid Glacial 96% $20.00/100ml Hydrochloric Acid 30% 14 00/250ml Hydrofluoric Acid 40% 31 00/L Nitric Acid 65% 60 00/L Sulfuric Acid 96% | 21.00/100ml
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Brand X $ 32.55/ 100ml 91.00/200ml 163.80/400ml 63 00/500ml 36 60/100ml
For a variety of analytical and research tech niques. Atomic Absorption instrumental analysis. Emission Spectrography. X-Ray Fluorescence analysis of particulate matter. Electro-Optic research. Think Suprapur reagents. They're super pure and super priced. For complete assay and price information on our full line, send ior the Suprapur catalog today.
EM Laboratories, Inc. associate of
E. Merck. D a r m s t a d t , G e r m a n y 500 Executive Boulevard Blmsford. NY IOSS3 (914) 5 * * 4 6 6 0 C |RCIE CIRCLE
Pure Consistency... • laboratory reagents and indicator strips ^ •
biochemical specialties
M N RtAD[:R |:| (S3 OON READER SSERVICE CARD
sor bents, plates and columns fur chromatography •
instrumentation chemicals