SESQUICRBONATE OF SODA - C&EN Global Enterprise (ACS

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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m SODA

SESQUICRBONATE

with α distinctive combination of physical and chemical properties not found in any other form

of alkali SOLVAY* SNOWFLAKE CRYSTALS brand of sesquicarbonate of soda has such an unusual combination of both physical and chemical properties that its uses range from that of an important ingredient in the manufac­ ture of luxury cosmetic products . . . to its application in a wide variety of basic industrial processes. The stable crystalline form of SOLVAY Sesquicarbonate of Soda gives it unusual physical properties. Sparklingly attractive, it remains free-flowing and noncaking even after prolonged periods of storage (in fact, it will frequently impart these qualities to dry materials with which it may be mixed). Almost entirely dustfree, it dissolves very rapidly and completely even at relatively low temperatures. Chemically, SOLVAY Snowflake Crystals is a true sodium sesquicarbonate, a double salt of sodium car­ bonate and sodium bicarbonate, corresponding to the formula N a 2 C 0 3 · NaHCO s · 2 H 2 0 . The product thus retains many of the active chemical properties of the stronger alkali, along with the mildness of the lower pH component. SOLVAY Sesquicarbonate of Soda, in two grades of bulk density—Snowflake Crystals and Snowfine—is in­ expensively priced. Both densities are available in any quantity—from single packages to bulk carloads—to meet any requirements.

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NaHCOs · 2H 2 0

Check these Physical a n d Chemical Properties Free-flowing Non-caking W h i t e , dustless crystals Rapid dissolving Unusually stable in s t o r a g e A v a i l a b l e in t w o bulk density grades (Snowflake Crystals a n d Snowfine) Low in iron a n d m e t a l l i c impurities M a x i m u m solubility: 15°C—17.9% 25° C—20.3% 55° C—25.2% 75° C—28.9% Sodium O x i d e v a l u e (Na20)—41.3% p H of solutions a t 2 5 ° C 0.25%—9.8 0.50%—9.8 2.00%—9.7 k

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If you will write and give us details of your opera­ tion, we will be glad to tell you how SOLVAY Sesquicar­ bonate of Soda can be used to the best advantage. If you'd like samples—write us.

SOLVAY

Soda Ash · Snowflake" Crystals · Potassium Carbonate Calcium Chloride · Sodium Bicarbonate · Ammonium Bicarbonate · Cleaning Compounds · Caustic Potash · Sodium Nitrite · Ammonium Chloride · Chlorine · Caustic Soda Monochlorobenzene · Para-dichlorobenzene · Chloroform Ortho-dichlorobenzene · Methylene Chloride · Methyl Chloride Carbon Tetrachloride

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ALLIED CHEMICAL & DYE C O R P O R A T I O N 61 B r o a d w a y , N e w Y o r k 6, Ν . Υ . BRANCH

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