Raspberry Extract as Both a Stabilizer and a Reducing Agent in Environmentally Friendly Process of Receiving Colloidal Silver

Table 7

Experimental effects.

	Effect	Standard error	𝑡(24)	𝑃
Constant	0.0185	0.0009	19.5778	0.0000
AgNO3 concentration [mol/dm^3] (Q)	0.0094	0.0023	4.0368	0.0005
Polyphenols weight [mg/cm^3] (L)	0.0031	0.0013	2.2922	0.0314
pH (L)	0.0056	0.0013	4.2096	0.0003

L: linear component of Q: square component.