When Reeve Angel 934-AH became Whatman Grade 934-AH, Whatman GLASS MICROFIBRF. FILTÎRS
100 CIRCLES
nothing happened. Rejoice. Oh, the package changed, sure. Just the package. Only the package. Now the label says "Whatman Grade 934-AH".
superlative glass microfiber filters in either a Whatman or Reeve Angel package. Ah, transitions.
A while back Reeve Angel and Whatman became parts of the same company: The Whatman Reeve Angel Group. At that time Reeve Angel 934-AH was, as it still is, the most important glass microfiber filters to the water pollution analysis community (among others).
When Whatman looks critically at a filter and nothing happens, that filter is an excellent filter.
For good reason performance. crofiber filter. Excellent.
Reeve Angel 934-AH = Whatman Grade 934-AH. Different package. That's it.
An excellent glass mi-
So good, in fact, that Whatman filtration scientists (quality fanatics!) after exhaustive testing found only one change needed — the package. Except for that, Whatman Grade 934-AH is identical to the former Reeve Angel 934-AH. For a while you may get these
Want some technical data making it clear why 934-AH is a superior glass microfiber filter? Samples (free, of course)? Just write or phone Whatman Paper Division 9 Bridewell Place, Clifton, New Jersey 07014 Tel: (201) 773-5800
Whatman CIRCLE 232 ON READER SERVICE CARD