Green Synthesis of Gold Nanoparticles with Self-Sustained Natural Rubber Membranes

Table 1

Plasmon resonance absorption results at 560 nm for NR/Au membranes prepared with different reduction time. Synthesis using natural rubber membranes prepared at 65, 80, and 120°C.

Reduction time	NR membranes prepared at 65°C		NR membranes prepared at 80°C		NR membranes prepared at 120°C
	Average abs.	Standard deviation	Average abs.	Standard deviation	Average abs.	Standard deviation
6 min	0.0691	0.0162	0.0911	0.0192	0.0927	0.0183
9 min	0.0957	0.0199	0.1586	0.0179	0.1641	0.0232
15 min	0.1567	0.0174	0.3101	0.1646	0.3205	0.0332
30 min	0.4477	0.0158	0.8631	0.1715	0.8023	0.0699
60 min	1.2073	0.1419	2.2393	0.0883	2.5307	0.3379
120 min	4.2756	3.1723	5.3294	3.0143	5.4489	2.6496