Application of Starch-Stabilized Silver Nanoparticles as a Colorimetric Sensor for Mercury(II) in 0.005 mol/L Nitric Acid

Table 1

SAED data of AgNPs aggregates formed after exposure of silver nanoparticles to Hg²⁺ at concentration of 500 μg L⁻¹ in the presence of 0.005 mol L⁻¹ HNO₃. : double electron diffraction effects; SAED interpretation: accuracy 1%.

d (Å)	Relative intensity	Ag; PDF 89-3722; a = 4.0855(1) Å; SG	Ag; PDF 87-0598; a = 2.8862 Å,; c = 10.000 Å; P63/mmc	Ag2Hg3; PDF 65-3156; a = 10.0506 Å; SG I23
2.438	s	—	101
2.136	s	—	—	332
1.506	s	—	—	622
1.287	s	(310	—	237
1.057	w	—	205	930
0.979	w	(410	—	059

s: strong; w: weak.