pH 0-14
Universal Indicator Strips non-bleeding Special Indicator Strips non-bleeding Neutral.it pH 5-10
Acilit
pHO-6
Alkalit pH 7,5-14 282-EUS
Special advantages : • Reactive zones sealed onto plastic strips • Non-bleeding • Prolonged immersion possible • Weakly buffered or unbuffered and even coloured solutions may be measured • Distinctive colour differences • Highly stable to light Please request our special brochure
E. Merck, Darmstadt Please Visit Us at the A C H E M A In Frankfurt/Main on 17th-24th June 1970. Hall 6, Stand IS-IG/ 8-10 (for Reagents and Laboratory Preparations) and Hall 7, Stand D l (for Industrial Chemicals) Circle Ne. 64 οι Readers' Service Card