4 2. Plot the cumulative % undersize against sieve aperture after size reduction of lactose usingroller mill, on both linear and log probability paper. 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

Answer- For the graph we use the Table 1. We have to plot the cumulative % undersize against sieve…

Answered: 2. Plot the cumulative % undersize…

2. Plot the cumulative % undersize against sieve aperture after size reduction of lactose using roller mill, on both linear and log probability paper.

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

2. Plot the cumulative % undersize against sieve aperture after size reduction of lactose using
roller mill, on both linear and log probability paper.

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

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