MORE FINE PRODUCTS FROM GREINER... ACCURATE, AUTOMATIC PIPETTING
chromerge®
man-o-pet™
Chromic-sulphuric acid solution. Prepared in only 30 seconds. Obsolètes cumbersome, old methods of boiling sulphuric acid with potassium dichromate. Produces a more powerful cleaning solution. Package of six bottles · · . $6.30/pack.
Chemically resistant, autoclavable ΜΑΝΟ-PET is a precision dispenser developed for * "^ applications requiring repeated dispensing of a preset volume of liquid. Its large capacity of from 2 to 30 cc adds to its versatility for hospital, research and industrial uses. Repetitive accuracy is within ± 1 % of preset volume. Volume is set by a micrometer-type screw. Its Teflon*-coated stainless steel barrel and Teflon* glide ring prevent it from sticking or freezing . . . $29.95
NEW BIODEGRADABLE DETERGENT*
aquet FM
Ρ
GREINER SCIENTIFIC
G
CORPORATION 20-22 N. M o o r e S t . D e p t . 5 2 1 , N . Y . , N.Y. 10013
VERSATILE ACCURATE
mcleod gauges High precision simplicity quick readings Three basic McLEOD gauge models are available in a variety of vacuum ranges. For extremely accurate readings select the high precision McLEOD gauge. For simplicity of handling, the ideal choice is the open end McLEOD gauge (see illus.). For lower vacuum ranges the tilting McLEOD gauge provides accurate readings in seconds. Linear and square scales extend range of each size. Traps prevent overflow of mercury. Intrinsic accuracies are based on absolute calibration with precision bore tubes and exact volume cut-off . . . as low as $66.00
G
GREINER SCIENTIFIC CORPORATION 20-22 N. Moore St. D e p t . ! N.Y., N.Y. 10013
FOR TOTAL CLEANING
New formula. Non ionic. Neutral ph. *Biologically decomposes after drainage. Gets laboratory glassware and utensils sparkling clean in seconds. Mild but complete detergent action will not mar or etch surfaces of lenses, cover glasses, cells, etc. 1 gal. polyethylene bottle w. disp. . . . $6.50
G
GREINER SCIENTIFIC CORPORATION 20-22 N. M o o r e S t . D e p t . 5 2 1 , N . Y . , N.Y. 10013
SIMPLE ONE HAND OPERATION TM
accropet pipettors
Highly accurate leakproof action Eliminate dangers and possibilities of contamination inherent in conventional pipetting methods. Compact construction facilitates simple convenient operation, assuring accurate discharge and filling at great speeds. Made of high temperature polypropylene, which can withstand temperatures up to 320 F. Viton* "Ο''-ring construction gives high accurate, positive leakproof action. AVAILABLE SIZES Uttramicro Accropet for Pipets up to 2 / 1 0 cc. Micro Accropet for Pipets up to 2.0 cc. Macro Accropet for Pipets 2 cc to 25 cc. from 13.75
G
GREINER SCIENTIFIC CORPORATION 20-22 N. M o o r e S t . D e p t . 5 2 1 , N.Y., N.Y. 10013
EASY TO APPLY
FOR METERING CORROSIVE FLUIDS
manokote™
teflon needle valve
Air dry vinyl paint spray High dielectric properties MANOKOTE is an aero sol vinyl spray designed to provide an attractive durable protective coat ing on almost any sur face. It is available in clear, white, metallic grey, black, green and blue. $2.69/can
This improved needle valve solves the problem of delicate flow control of acids, alkalies and other highly corrosive fluids. It is recommended for high vacuum uses. No danger of breakage or contamination . . . $9.45
SILICONE SPRAY
glasskote
TM
Non-oily Water repellent GLASSKOTE provides a permanent nonreactive protective c o a t i n g f o r glassware, porcelain, plasticware, etc. Reduces s c r a t c h i n g , breakage, and increases impact strength of glass. Resis tant to heat, moisture and most chemicals. Autoclavable. $3.99/can
G
GREINER SCIENTIFIC CORPORATION 20-22 N . M o o r e S t . D e p t . 5 2 1 , N . Y . , N.Y. 10013
MODULAR REPLACEABLE
burets
C
Teflon* needle valves eliminate stopcocks, freezing or grease contamination. They guarantee fine end point control, easy cleaning, interchengeability. Can be used by right or left hand by simply rotating valve . . . as low as $15.00
G
GREINER SCIENTIFIC CORPORATION 20-22 N. M o o r e S t . D e p t . 5 2 1 , N.Y., N.Y. 10013 • DuPont
Circle No. 136 on Readers' Service Card
66 A
·
ANALYTICAL CHEMISTRY
'Θ·
trade
mark
