Determination of borax in soap and synthetic detergents

Blank, Eugene W.; Troy, Arnold

doi:10.1007/bf02664433

Cited by 5 publications

(2 citation statements)

References 8 publications

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“…A breakdown of the various phosphates present can be obtained by the procedure of Quimby (36), Bell ( 7 ) , Jones (ZI), and others ( S T ) , and satisfactory procedures for other ingredients are described in the literature--e.g., silicates (SZ), carbonates (24, @), and borates (8). For cases where other types of surfactants and additives-e.g., foam additives-may be present the analyses required will depend largely on the results of preliminary qualitative tests.…”

Section: Buildersmentioning

confidence: 99%

“…While the analytical procedures mentioned are all that are needed in most cases for analyzing production samples of anionic surfactants, several other ingredients may be present in retail products, chief among which are the polyphosphates. A breakdown of the various phosphates present can be obtained by the procedure of Quimby (36), Bell (7), Jones (21), and others (37), and satisfactory procedures for other ingredients are described in the literature-e.g., silicates (32), carbonates (24, 40), and borates (8). For cases where other types of surfactants and additives-e.g., foam additives-may be present the analyses required will depend largely on the results of preliminary qualitative tests.…”

Section: Buildersmentioning

confidence: 99%

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Analysis of Synthetic Anionic Detergent Compositions

House¹,

Darragh²

1954

Anal. Chem.

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In the manufacture of synthetic anionic detergents, it is desirable to obtain accurate control analyses of the product with a minimum expenditure of effort and time.The main ingredients of interest are active (sodium alkyl sulfates or alkylbenzenesulfonates), sodium sulfate and, occasionally, low molecular weight sulfonate additives such as benzene-H, toluene-A, and xylenesulfonates. In addition, color of the product is quite important from the standpoint of quality control. Epton's quaternary titration procedure was quite satis-

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Section: Buildersmentioning

confidence: 99%

Section: Buildersmentioning

confidence: 99%

Analysis of Synthetic Anionic Detergent Compositions

House¹,

Darragh²

1954

Anal. Chem.

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Technische Fette, Fettprodukte und verwandte Stoffe

Kaufmann¹

1958

Analyse Der Fette Und Fettprodukte

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The determination of borax in soap

Bernstein¹,

Haftel²

1950

J Americ Oil Chem Soc

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SummaryBased on the data presented, it is considered that the present method is superior to both the federal specification and Blank and Troy procedures in terms of more complete recovery of borax, better reproducibility, and shorter time required for analysis.The present method differs from the Blank and Troy method in two essential features, namely, simultaneous removal of soap and silicates, phosphates, and carbonates by precipitation with strontium ion, and use of methyl purple instead of methyl red indicator during adjustment of the acidity of the solution prior to final titration with standard alkali. These differences are believed responsible for the more accurate and reproducible results obtainable by the present method as compared with those given by the Blank and Troy procedure.It should be noted that the above procedure is limited to soaps and/or alkaline builders and cannot be applied to synthetic detergents that do not precipitate with strontium.

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Determination of borax in soap and synthetic detergents

Cited by 5 publications

References 8 publications

Analysis of Synthetic Anionic Detergent Compositions

Analysis of Synthetic Anionic Detergent Compositions

Technische Fette, Fettprodukte und verwandte Stoffe

The determination of borax in soap

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