NATIONAL CARBON COMPANY
1
16 A ANALYTICAL CHEMISTRY MADE PURE... PACKED PURE... THE NEW NATIONAL TRADE-MARK PRE-FORMED SPECTROSCOPIC ELECTRODES PROTECTED PURITY di-niium-lu·. ΝΜΙ'·Ν\Ι ( \rm.s- III. V I'KI I ( >|\ \]| | ) N|V ι I ll ( ll | ill 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 purity after delivery in an unique, air-tight, spectroscopically pure container. Now you needn't risk the contaminating effects of cut- ting and shaping in the laboratory. Eleven standard pre- formed 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 ... NATIONAL PREFORMtP Sp »CTROSCOP' C ELECTRODES Write for brand new Catalog Section A-4004, detailing standard shapes and advantage? of "National" 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
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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
