B&A PURIFIED AMMONIUM OXALATE Granular - C&EN Global

Nov 5, 2010 - Advertisements that appeared within the print issues of Chem. Eng. News have been included in the C&EN Archives to provide a ...
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PHYSICAL .AND CHEMICAL PROPERTIES

B&A

Appearance.....·.· fine white needle crystals., Formula.........../..... -...'.. . (ΝΗ4)2θ2θ4·Η20 Molecular Weight... . . : . . . . . . . . . . . . . . . . . . . . T . . . 142.12 Specific Gravity, 2 0 ° C . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 Solubility in water 2 . 5 grams / 1 0 0 grams H 2 0 at 0 0 C . 11.8 grams / IOO grams H 2 O at 5 0 ° C . Slightly soluble in alcohol - ν Insoluble in ammonia ~>

PURIFIED

AM M ON IU M OXALATE

Typical

Analysis: Assay((NH4)2C2 0 4 . H 2 O ) 9 9 . 5 Insoluble in w a t e r , . . . . . . . . . O.OI5 Nonvolatile 0.03 Chloride (CI ) . . . Λ . . . . . . . . 0 . 0 0 3 Sulfate ( S O 4 ) . . · b.02 Heavy M e t a l s ( a s P b ) 0.002 Iron(Fe) ...O.OOI

Granular Screen

Size: Thru 4 0 mesh

% % % % % % %

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90 %

Blueprint off &

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SUPERIOR

Chemical *

B&A Purified Ammonium Oxalate has been preferred b y blueprint and diazo whiteprint paper manufacturers for years. Thev rely especially upon B&A Oxalate because it is so low in iron, heavy metals and other undesirable impurities. In addition, thev prefer its uniform granular crystals that make handling a n d use so easy. Note the analysis and physical proper­ ties of B&A Purified Ammonium Oxalate and see where this superior fine chemical

fits into your production schedule. For special uses requiring extra high purity, investigate B&A Reagent Grade Ammonium Oxalate. To fill y o u r Ammonium Oxalate and other fine chemical and re­ agent needs, call or write vour nearest B&A office. In the meantime, for samples and data sheet—just f mail in the handy *>

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BAKER ^ A D A M S O N FINE

CHEMICALS

Allied Chemical & Dye Corporation 40 Rector Street, New York 6, N . Y.

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ALLIED CHEMICAL & DYE CORPORATION 4 0 Rector Street, New York 6 , N e w Y o r k

I am interested in B&A Purified Ammonium Oxalate. Please send me Data Sheet ( ) Sample ( )

I intend to use it for

(j/e&?acœtéName.

GENERAL CHEMICAL DIVISION

REAGENTS

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BAKER IADAMSON FINE CHEMICALS GENERAL CHEMICAL DIVISION

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Address. City.

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