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Commercial Product Report

Product Description

Date:	2 April 2001
Manufacturer:	GNC
Product Name:	Liquid Colloidal Silver
Product Type:	silver protein
Concentration:	ppm not specified
Container Size:	4 oz.
Container Material:	HDPE

Laboratory Analysis of Product

Conductivity:	5.8 uS/cm
Turbidity:	6.70 NTU
Color:	Yellow
pH:	6.35  +/- 0.01
Total Silver Concentration:	5.16 ppm   +/-  0.05 ppm
Ionic Silver Concentration:	*
Silver Particle Concentration:	**
Percent Ionic:	%
Percent Particles:	%
Particle Surface Area:	** cm2/mL
Particle Size Distribution:	SEM Images of a typical product
Zeta Potential:	***

* Ionic concentration cannot be determined for colloids with protein binders when using the AAS method to measure ionic silver.

** Particle concentration cannot be determined without ionic.

*** Zeta potential and Particle Size Distribution are not available for silver protein products.

 

Laboratory analysis performed by the Colloidal Science Laboratory