32 A
ANALYTICAL
Sodtectn. "P&taxicU
BOMBS For rapid combustion reactions with sodium peroxide t o determine:
2.5 ml
CHEMISTRY
Klett Photometers fCleitSusnm&iA&to
s4iâe*Uc
PUotoelecinic
QlcM. Ceil GoltvU*neie>i.
^0Ί4Κ
No. 900-3 8 ml
fën&ntùte
(tylviùte 22 ml
'PtcuvUte
*7i.
fodùte t 22 ml
p&aéfiAo>uc&
Selenium
StUcon Section 42 ml
Ask your PARR Dealer for full information or write d i r e c t to the Factory.
In coal, coke, organic compounds, petroleum and petroleum products, rubber and other difficultly soluble organic materials
No. 2070
Designed for the rapid and accurate determination of thiamin, riboflavin, and other substances which fluoresce in solution. The sensitivity and stability are such that it has been found particularly useful in determining very small amounts of these substances.
J
L
.KLETT SCIENTIFIC PRODUCTS, ELECTROPHORESIS APPARATUS · BIO-COLORIMETERS GLASS ABSORPTION CELLS · COLORIMETER NEPHELOMETERS · GLASS STANDARDS « KLETT REAGENTS
Parr
INSTRUMENT COMPANY M O L I N E ,
ILLINOIS
EST. 1 8 9 9 MAKERS OF CALORIMETERS AND PRESSURE REACTION EQUIPMENT
Klett
Manufacturing
Co.
179 EAST 87TH STREET, NEW YORK, Ν. Υ.