Succinic acid
Succinic acid
110-15-6
disodium succinate
Phthalocyanine pigment
Compound dyes
Compound green
Composite blue
A ferric complex of a polyamino di-succinic acid(cas:110-15-6)
Release time:2016/7/19 14:58:53


The following Examples 1 to 4 show the use of succinic acid to hydrolyze sucrose to glucose and fructose in high yields.
EXAMPLE I
Effect of Catalyst Concentration at Low Temperatures.

Sucrose and water are mixed in E-flasks in ratio liquid:solid 10:1. Temperature is kept constant at 60° C. in an oven equipped with a shake table. Succinic acid(cas:110-15-6) is added to the flasks to give concentrations of 1, 3, and 5% acid by weight. The data is shown in Tables 5 to 7. An increase in the catalyst loading increases the rate of hydrolysis significantly at low temperatures. Yields after ten (10) hours hydrolysis for glucose and fructose are summarized in Table 1. The yields are based on the amount of glucose or fructose formed divided by the amount of sucrose hydrolyzed. For glucose at higher acid concentrations some product degradation takes place. For fructose some degradation is evident at all acid concentrations.

The copper chelates are also useful in electroless copper plating. In photography, the invention includes a method of bleaching or bleach-fixing a photographic material which comprises contacting said material with a bleaching solution containing a bleaching agent comprising a ferric complex of a polyamino di-succinic acid(cas:110-15-6) and the solution so used. In electroless deposition, the invention includes a method of electroless deposition of copper upon a non-metallic surface receptive to the deposited copper including a step of contacting the non-metallic surface with an aqueous solution comprising a soluble copper salt and a polyamino di-succinic acid(cas:110-15-6) and plating baths appropriate for such use. Another aspect of the invention includes a method for removing iron oxide deposits from a surface including a step of contacting the deposits with a solution comprising an ammoniated polyamino disuccinic acid.

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