VOLUME
23,
NO.
6, J U N E
1951
7A
How does your
REFRACTORY LABORATORY WARE compare with this?
c o m b u s t i o n b o a t s a n d shields
M A D E O F FUSED A L U M I N A , containing at least 85% alumina (u~ t o 9 9 % in special mixtures), this highly refractory Norton Alundum laboratory w a r e is not attacked b y any organic solvent.
Your laboratory development, experimental or analytical work is i m p o r t a n t enough to justify t h e best materials money can buy. T h a t ' s why you owe i t to yourself and your work to compare N o r t o n Alund u m ware with whatever you are now using.
f i l t e r i n g devices
Compare the Properties C h e m i c a l Stability — N o r t o n A l u n d u m ware is n o t a t t a c k e d by a n y organic solvent. Only h y d r o fluoric acid, concentrated phosphoric acid or concentrated alkalies can affect it. M e l t i n g Point — slightly below t h a t of its fused a l u m i n a base — 2050° C. P o r o s i t y — most A l u n d u m ware runs between 3 5 % and 5 0 % with practically no closed pores.
extraction thimbles
A Broad Line N o r t o n A l u n d u m laboratory ware includes general purpose crucibles, ignition capsules, incinerating dishes, melting crucibles, filter crucibles, filter cones, filter dishes, filter discs, extraction thimbles, a n d combustion boats. . . all in m a n y sizes and shapes.
*Trade-Mark Reg. U. S. Pat. Off. and Foreign Countries
Get Bulletin 793 For complete data, including prices, on Norton Alundum laboratory ware, contact your laboratory supply house, or write direct for Bulletin 793. Norton Company, 547 New Bond Street, Worcester 6, Mass.
NORTON T R A D E MARK
REG.
U.
S.
PAT.
OFF.
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