ITERATU RE AVA ILABLE s
__--
-
I
A
-
d
&
%k
J
sembly for replacement of internal parts. CROLL-REYSOLDS Co. 16 Filtering Papers. Technical bulletin covering a line of filtering papers. Bulletin contains a specification sheet on the various grades of filter papers, including a table of physical specifications. A section is devoted to new papers designed for chromatographic and electrophoretic applications. E. H. SARCENTg: Co. 17
Activated Carbon. Properties and uses of activated carbon in purification, air recovery, solvent recovery, chemical catalysis, and separation processing are discussed in this bulletin. Simplified scheniatic diagrams of different types of systems using activated carbon are included. C:o. 11 BARSEHY-CHE~EY Alkyl Halides. Technical bulletin on alkyl halides. Alk!l chlorides of various chain lengths and alkyd bromides from C-10 to C-18 chain lengths are described. T h e halides discussed find use primarily in the synthesis of quaternary ammonium compounds. ACETOCHEMICAL Co. 12
German Organic Processes. Fifty recent German patent applications o n organic chemical production processes are discussed in this information bulletin. RESEARCH 1SFORMATIOS SERVICE 18 Isotope Labeled Compounds. List of Clean Waters. Two-color bulletin deisotope labeled compounds available for signed to help civic leaders, municipal research purposes. Compounds listed inofficials, and others dramatize to a comclude: simple carbon compounds, alcomunity the importance of proper sewage hols and derivatives, acids and derivatreatment and how to get it. This public tives, amino acids, and other compounds. service type booklet contains facts on water BIO-RAD LABORATORIES 19 pollution and a simple discussion of the principles of sewage treatment. GENERAL Nitrogen Solution Pump. A low cost ELECTRIC 13 all purpose pump which can be mounted on a tractor for application of nitrogen Continuous Weighing Meters. Data solutions. T h e descriptive booklet outsheet describes a continuous weighing lines many inexpensive devices which can meter designed for flow rate measurements be built around the pump for applicaof free flowing solids and continuous belt tion of nonpressure and low pressure weighing of solids. T h e balance meters nitrogen solutions. LIBERTYMANUFACare used to provide fast, accurate, and conT U R I S G CO. L10 tinuous handling of bulk materials. MIXNEAPOLIS-HONEYWTLL REGULATOR Co. 14 Soil Testing. A new and accurate method of cutting electrode standing time Dihydroxy Diphenyl Sulfone. Technical in multiple soil p H determinations is debulletin on DDS (dihydroxy diphenyl sulscribed in this data sheet. Ordinarily 5 fone), a chemical which shows promise as to 15 min. are required for the p H an ingredient in the production of heat electrodes to stand in the soil solution. resistant epoxy and phenolic resins. DDS T h new method cuts this time down may also be useful as an intermediate in to 20 sec. BECKMANINSTRUMENTS INC. organic synthesis, particularly when a 111 phenolic compound stable to the oxidizing Temperature in Moving Containers. action of light and air is desired. MONData sheet on temperature measurement SANTO CHEMICAL CO. 15 in moving containers describes a method of obtaining an accurate direct measureFilter. Brochure describes the operation ment of product temperature inside of a filter designed primarily for clarifying closed containers during pasteurization. purposes. Filter operates on three-step T h e method described is especially useprinciple of precoating, filtering, and ful in the pasteurization of beer. MINbackwash cleaning. T h e backwash feature NEAPOLIS-HOSEYWELL REGULATOR Co. L12 eliminates manual cleaning and disas-
The Niagara Controlled Humidity Method using HYG ROL MoistureAbsorbent Liquid is best and most effective because.. it removes moisture as a
.
separate function from cooling or heating and so gives a precise result constantly and always. Niagara machines using liquid contact means of drying air have given over 2 0 years of service.
...the absorbent is continuously reconcentrated automatically. No moisture-sensitive instruments are required to control your conditions. Most reliable because
.
Most flexible because., you can obtain any condition at will and hold it as long as you wish in either continuous production, testing or storage.
------------I-------
-
FOR ADDITIONAL INFORMATION CIRCLE DESIRED ITEMS, CLIP COUPON, AND MAIL TO
Inexpensive to operate because.. no re-heat is needed to
I
.
obtain the relative humidity you wish in normal temperature ranges and frequently no refrigeration is used to remove moisture.
Readers' Information Service JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 430 Park Avenue Dee. 8, 1954 New York 22, N. Y.
New Products and Equipment Literature
I
2
3
4
5
I 2
3
4
5 6 7
7
8
9
IO
6
II
12
Write for fuD information; ask for BuUetin 112. Address Dept. J A
[NIAGARA BlOWER?OMFANY 405 Lexixiyjloa Avo., New York 17, N.Y.
i
Oirltict Cngineeri in Prinripot Citios of U. S. ond Conode
_-
__.
--
1296
City
Zone -State--(PLEASE PRINT OR TYPE)
