Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. Photoelectric colorimetry was a hot topic in the mid-1930s when Arnoldus Goudsmit Jr. and William Henry Summerson ...
To determine the rate of colour formation and the optimum time for taking readings in the Fiske and Subbarow method of estimating phosphorus micro -chemically, we have used a simple type of ...
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