scholarly journals A Simple Colorimetric Procedure for Differentiating Anions Using Flower Pigments from Anthurium andreanum

2016 ◽  
Vol 32 (3) ◽  
pp. 1347-1352
Author(s):  
Maynard O. Galingana ◽  
Voltaire G. Organo
Keyword(s):  
Anthurium Andreanum ◽  
Flower Pigments ◽  
Colorimetric Procedure

Collaborative Study on Assay of Sulfur Dioxide in Dried Fruit

1965 ◽  
Vol 48 (4) ◽  
pp. 796-801
Author(s):  
F S Nury ◽  
H R Bolin
Keyword(s):  
Sulfur Dioxide ◽  
Collaborative Study ◽  
Colorimetric Method ◽  
Dried Fruits ◽  
Dried Fruit ◽  
Test Materials ◽  
Colorimetric Procedure ◽  
Satisfactory Recovery

Abstract Sulfur dioxide analysis by official (Monier-Williams) methods was compared with a new colorimetric procedure for dried fruits. Dried peaches, pears, apples and golden raisins were the test materials. The colorimetric method was found to be neither more nor less variable than two official methods except in analysis of dried pears, took less time and was easier to perform than the official methods, and yielded satisfactory recovery of sulfur dioxide.

scholarly journals Flower Pigments

1909 ◽  
Vol 67 (1736supp) ◽  
pp. 239-239
Author(s):  
C. M. Broomall
Keyword(s):  
Flower Pigments

THE DETERMINATION OF PHOSPHOLIPID PHOSPHORUS

1949 ◽  
Vol 27e (3) ◽  
pp. 159-163 ◽  
Author(s):  
J. M. R. Beveridge ◽  
S. E. Johnson
Keyword(s):  
Color Stability ◽  
Accurate Method ◽  
Inorganic Phosphorus ◽  
Strict Adherence ◽  
Beer's Law ◽  
Beer’S Law ◽  
Excellent Color ◽  
Colorimetric Procedure

A simple accurate method for the determination of phospholipid phosphorus is described. Conditions for the digestion of phospholipid have been developed permitting the utilization of a colorimetric procedure for inorganic phosphorus that is characterized by excellent color stability and strict adherence to Beer's law over a range of 0 to 65 μgm. of phosphorus.

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