NATIONAL CARBON COMPANY
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Transcript of NATIONAL CARBON COMPANY
16 A A N A L Y T I C A L C H E M I S T R Y
MADE PURE... PACKED PURE...
THE NEW
NATIONAL T R A D E - M A R K
PRE-FORMED SPECTROSCOPIC
ELECTRODES PROTECTED PURITY di -ni ium-lu· . Ν Μ Ι ' · Ν \ Ι ( \ r m . s -III. V I ' K I I ( > | \ \ ] | | ) N | V ι I ll ( l l | i l l I II N | l | ι M i i M U p I l I I I I
trodes. Here's purity that's protected absolutely against contamination from factory to you — plus a convenient means of maintaining puri ty after delivery in an unique, air-tight, spectroscopically pure container.
N o w you needn't risk the contaminating effects of cutt ing and shaping in the laboratory. Eleven standard preformed shapes are designed to satisfy the most widely accepted methods for:
• GENERAL QUANTITATIVE and QUALITATIVE WORK
• VOLATILIZATION of MEDIUM and LARGE SAMPLES
• SOLUTION ANALYSES INVOLVING LARGE SAMPLES
• ANALYSES of HIGH, MEDIUM and LOW BOILING POINT SAMPLES
• POROUS CUP TECHNIQUE...
...AND MANY MORE !
STAY PURE ...
N A T I O N A L PREFORMtP
Sp»CTROSCOP'C
ELECTRODES
Write for brand new Catalog Section A-4004,
detailing standard shapes and advantage?
of "Nat iona l " PRE-FORMED ELECTRODES.
The term "National'' is a registered trade-mark of Union Carbide and Carbon Corporation
NATIONAL CARBON COMPANY A Division of Union Carbide and Carbon Corporation
30 East 42nd Street, New York X 7, N.Y. Disttict Sales Offices: Atlanta, Chicago, Dallas, Kansas City-
New York. Pittsburgh, San Francisco IN CANADA: National Carbon Limited
Montreal, Toronto. Winnipeg
NATIONAL PREFORMED
SPECTROSCOPIC ELECTRODES
NATIONAL fdsljgsd,s zmdvl;gm