Using
Physical properties.
Chemical properties
Results
Conclusions:
3.55M
Категория: ХимияХимия

The main purpose of flour

1.

Prepared:
student of faculty commodity
research and commercial
activities 1 courses of 4
Romanova Alina

2.

3. Using

The main purpose of flour is baking bread, baking
pancakes, pies, while making dumplings, bakery,
confectionery products (cakes, muffins, cookies), pasta,
and more.

4. Physical properties.

5. Chemical properties

6.

Evaluate the quality of the flour
sample physical and chemical
methods of research.

7.

Materials Required

8.

9.

Fluorescent analysis helps to identify
qualitative and quantitative flour composition

10.

Buckwheat flour
(Sample 3) – blue
Corn flour (sample 4) brown

11.

Check the pH using pH-meter

12.

Sample:
1.
2.
3.
4.
5.
6.
pH=5,72
pH=5,84
pH=6,12
pH=6,17
pH=6,76
pH=6,22

13.

The main purpose of this method is titration
of all acids reactants in flour by
sodium hydroxide

14.

15.

pink
pink

16. Results

17. Conclusions:

• Acidity of potato and corn flour meet the
standards
• Acidity of buckwheat flour is too high and
does not meet the standards.
• Acidity of wheat flour does not meet the
standards of both top and second grade.
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