Podcast
Questions and Answers
The endpoint in the protein determination titration, in the presence of bromocresol green indicator, is when you obtain the ______ color.
The endpoint in the protein determination titration, in the presence of bromocresol green indicator, is when you obtain the ______ color.
red
Which compound plays the role of a catalyst in the Kjeldahl method?
Which compound plays the role of a catalyst in the Kjeldahl method?
Which equipment(s) must be calibrated before use:
Which equipment(s) must be calibrated before use:
The refractive index (RI or n) depends on:
The refractive index (RI or n) depends on:
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Study Notes
Protein Determination Titration
- Endpoint color in protein determination titration with bromocresol green indicator is yellow.
Kjedahl Method
- Catalyst in the Kjedahl method is (NH₄)₂SO₄.
- Compound titrated with HCl is NH₃.
Equipment Calibration
- Pycnometer, hydrometer, and refractometer require calibration before use.
Sucrose Solution Concentration
- A 12% sucrose solution contains 1.2g of sucrose in 100g of sample.
Refractive Index
- Refractive index (RI or n) depends on light wavelength, temperature, and solution concentration.
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Description
Test your knowledge on protein determination titration, the Kjedahl method, and equipment calibration. This quiz covers essential concepts such as the endpoint color with bromocresol green and the calibration of various instruments. Dive into the specifics of sucrose solution concentration and the refractive index.
