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Comment on the strengths and limitations of particle sizing using sieve analysis. Suggest an alternative sizing technique and justify.

Comment on the strengths and limitations of particle sizing using sieve analysis. Suggest an alternative sizing technique and justify.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Table 1. Particle size analysis of milled lactose using a roller mill. Sieve Size (um) Weight of Sieve (g) Wight of Sieve + Powder (g) Weight of Powder (g) 500 334.1 335.6 1.50 355 321.7 339.5 17.8 250 312.6 351.6 39.0 180 312.1 324.1 12.0 125 296.8 310.2 13.4 90 301.0 312.5 11.5 63 291.1 293.9 2.80 bottom 441.5 445.5 4.00 Table 2. Particle size analysis of milled lactose using mortar & pestle. Sieve Size (um) Weight of Sieve (g) Wight of Sieve + Powder (g) Weight of Powder (g) 500 334.5 401.7 67.2 355 324.7 331.9 7.20 250 326.2 332.8 6.60 180 326.2 331.8 5.60 125 309.2 313.5 4.30 90 301.2 305.3 4.10 63 303.7 307.2 3.50 bottom 439.8 445.3 5.50
Transcribed Image Text:Table 1. Particle size analysis of milled lactose using a roller mill. Sieve Size (um) Weight of Sieve (g) Wight of Sieve + Powder (g) Weight of Powder (g) 500 334.1 335.6 1.50 355 321.7 339.5 17.8 250 312.6 351.6 39.0 180 312.1 324.1 12.0 125 296.8 310.2 13.4 90 301.0 312.5 11.5 63 291.1 293.9 2.80 bottom 441.5 445.5 4.00 Table 2. Particle size analysis of milled lactose using mortar & pestle. Sieve Size (um) Weight of Sieve (g) Wight of Sieve + Powder (g) Weight of Powder (g) 500 334.5 401.7 67.2 355 324.7 331.9 7.20 250 326.2 332.8 6.60 180 326.2 331.8 5.60 125 309.2 313.5 4.30 90 301.2 305.3 4.10 63 303.7 307.2 3.50 bottom 439.8 445.3 5.50
6. Comment on the strengths and limitations of particle sizing using sieve analysis. Suggest an alternative sizing technique and justify.
Transcribed Image Text:6. Comment on the strengths and limitations of particle sizing using sieve analysis. Suggest an alternative sizing technique and justify.
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