FARRAND OPTICAL CO., Inc. - ACS Publications - American

Titanous Chloride and Titanous Sulfate are the most powerful reducing agents that are stable in solution form and, therefore, find wide use in laborat...
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ANALYTICAL

CHEMISTRY

LaMOTTE TITANOUS SALTS

FARRAND ELECTRON MULTIPLIER

PHOTOMETER For PRECISE Measurements of Low Light Intensities • • • • • • •

Titanous Chloride and Titanous Sulfate are the most powerful reducing agents t h a t are stable in solution form and, therefore, find wide use in laboratory reductions and especially in quantita­ tive analysis. These solutions are prepared ac­ cording to the specifications of D r . W. M . Thorn­ ton, J r . T i t a n o u s Chloride, 2 0 % S t a n d ­ ardized solution T i t a n o u s Sulfate, 2 0 % S t a n d ­ ardized solution

$3.30

4.40

250 cc.

500 cc.

$0.60

$11.55

8.80

15.40

Selective W i d e Range of Sensitivity U l t r a v i o l e t a n d Visible Regions Linear Response D a r k Current Balance Control I n t e r c h a n g e a b l e Tubes Constant V o l t a g e Compact, Simple t o O p e r a t e

T h e Farrand Electron Multiplier Photometer is widely used in university, industrial and hospital laboratories for critical measurements at very low light levels. Λ list of users and complete details of design, operation and performance may be h a d by writing for Farrand Bulletin # 8 0 4 . PRECISION

OPTICS. ELECTRONIC

FARRAND OPTICAL CO., Inc.

THE WACO

Towson, Baltimore 4, Md.

V

LABORATORY

POWER



SCIENTIFIC • INSTRUMENTS^™

LaMOTTE CHEMICAL PRODUCTS CO. Dept. AC

• • •

AND

B R O N X BLVD. a n d EAST 2 3 8 t h ST., N E W YORK 7 0 , N . Y .

SUPPLY

CENTER

STIRRER

LABORATORY SERVICES Vitamin and amino acid assays Proximate analyses and mineral determinations Food chemistry and microbiology Screening of compounds for insecticidal, fungicidal, and bactericidal properties Warm-blooded toxicity studies Other biological, chemical, and microbiological services

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