3 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)500334.1335.61.50355321.7339.517.8250312.6351.639.0180312.1324.112.0125296.8310.213.490301.0312.511.563291.1293.92.80bottom441.5445.54.00Table 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)500334.5401.767.2355324.7331.97.20250326.2332.86.60180326.2331.85.60125309.2313.54.3090301.2305.34.1063303.7307.23.50bottom439.8445.35.50 6. Comment on the strengths and limitations of particle sizing using sieve analysis. Suggestan alternative sizing technique and justify.

Sieving is a technique for particle sizing which is performed to separate a sample based on its…

Answered: Comment on the strengths and…

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

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter14: Chromatography

Section: Chapter Questions

Problem 9P

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Question

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.

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