Colorimetric Determination of Small Amounts of Fluoride with Neo Thorin. I.
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A Colorimetric Procedure for the Determination of Small Amounts of Fatty Acid
The basis of the method is the measurement of the color change produced by the reducing action of fatty acid or cholesterol on a sulfuric acid-dichromate mixture. This reaction has been used in several ways for the determination of fatty acids and other organic material. Bang (1) made it the basis of a micromethod by titrating the excess of dichromate with starch-iodine and thiosulfate. In this...
متن کاملA Colorimetric Procedure for the Determination of Small Amounts of Fatty Acid
The basis of the method is the measurement of the color change produced by the reducing action of fatty acid or cholesterol on a sulfuric acid-dichromate mixture. This reaction has been used in several ways for the determination of fatty acids and other organic material. Bang (1) made it the basis of a micromethod by titrating the excess of dichromate with starch-iodine and thiosulfate. In this...
متن کاملA Colorimetric Procedure for the Determination of Small Amounts of Fatty Acid
The basis of the method is the measurement of the color change produced by the reducing action of fatty acid or cholesterol on a sulfuric acid-dichromate mixture. This reaction has been used in several ways for the determination of fatty acids and other organic material. Bang (1) made it the basis of a micromethod by titrating the excess of dichromate with starch-iodine and thiosulfate. In this...
متن کاملColorimetric Determination of the Amounts Types of the Guinea Pig.'
H E melanin pigments of mammals fall into two major categories, the T darker pigments or eumelanins and the orange yellow pigments or phaeomelanins. These presumably differ qualitatively although the exact chemistry 01 the melanins is not yet known. The hairs of wild cavies and of the so-called agouti variety of the guinea pig are predominantly eumelanic but have a phaeomelanic subterminal band...
متن کاملA Colorimetric Method for the Determination of Small Amounts of Magnesium.*
The gravimetric method for the determination of magnesium is not adequate for the estimation of the small amounts of this element present in biological material such as the ash of the bones of small animals like the rat. The microcolorimetric method devised by Kramer and Tisdall’ is objectionable because of the nature and technique of the calorimetric comparisons. Inasmuch as the procedure deve...
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ژورنال
عنوان ژورنال: Nippon kagaku zassi
سال: 1955
ISSN: 0369-5387,2185-0917
DOI: 10.1246/nikkashi1948.76.1291