Gelation in aqueous solution of L-cysteine and silver nitrate

1. Gelation in aqueous solution of L-cysteine and silver nitrate

Tver State University
Faculty of Chemistry and Technology
Gelation in aqueous
solution of L-cysteine
and silver nitrate

2. UV-spectrums

3,0
2,5
Absorbance (AU)
2,0
1,5
1
2
1,0
3
1 - fresh
2 - after 3 days
3 - after 8 days
0,5
0,0
200
250
300
350
400
Wavelength (nm)
450
500
550

3. Viscosity

10
9
3
2
8
Viscosity (mPa*s)
7
1
6
5
4
1 - fresh
2 - after 3 days
3 - after 6 days
3
2
1
0
0
5
10
15
Time (min)
20
25
30

4. Dynamic light scattering

8
7
6
Intensity (%)
2
1
5
1 - after 15 min
2 - after 40 min
4
3
2
1
0
10
100
Size (d, nm)

5.

6.

Thank you for your attention