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Reference solution:
A proper reference solution contains color reagent plus sample buffer. The difference between the reference and a sample is that the concentration of the assayable substance in the reference solution is zero. The reference tube transmits as much light as is possible with the assay solution you are using. A sample tube with any concentration of the assayable substance absorbs more light than the reference, transmitting less light to the photometer. In order to obtain the best readability and accuracy, the scale is set to read zero absorbance (100% transmission) with the reference in place. Now you can use the full scale of the spectrophotometer. If you use a water blank as a reference, you might find that the assay solution alone absorbs so much light relative to distilled water that the usable scale is compressed, and the accuracy is very poor.
preparation of silicides
Physical properties of Acetophenone - Aldehydes and Ketones a. Acetophenone is a colourless crystalline solid with melting point 20°C and boiling point 202°C. b. Acetophenon
schematic diagram for osvw
rules for naming organic compunds
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I''ve got a project on ''Chemicals In Medicine'' and i need guidance as i cannot figure out how to conclude my project.Would you please help me ? I hope you''ll pay heed to my earn
Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
PHOTO CHEMICAL COMBINATION OF HYDROGEN&IODINE
what are the application of law of chemical combination?
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