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In general, a colloid or colloidal dispersion is a substance with components of one or two phases, a type of mixture intermediate between a homogeneous mixture (also called a solution) and a heterogeneous mixture with properties also intermediate between the two. Typical membranes restrict the passage of dispersed colloidial particles more than they restrict the passage of dissolved ions or molecules; i.e. ions or molecules may diffuse through a membrane through which dispersed colloidal particles will not. The dispersed phase particles are largely affected by the surface chemistry existent in the colloid.
Many familiar substances, including butter, milk, cream, aerosols (fog, smog, smoke), asphalt, inks, paints, glues, and sea foam are colloids. This field of study was introduced in 1861 by Scottish scientist Thomas Graham.
The size of dispersed phase particles in a colloid range from one nanometer to one micrometer. Dispersions where the particle size is in this range are referred to as colloidal aerosols, colloidal emulsions, colloidal foams, or colloidal suspensions or dispersions. Colloids may be colored or translucent because of the Tyndall effect, which is the scattering of light by particles in the colloid.
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Thoughts on fine powder . . . < 20 microns and dramatically high surface area . . .precipitating colloidals for DOT projects. Value? mmmmmm
PaulSkillicorn (Paul Skillicorn) Sun, 02 Aug 2009 12:19:10 -0000
Thoughts on fine powder . . . < 20 microns and dramatically high surface area . . .precipitating colloidals for DOT projects. Value? mmmmmm
Alchemedica Intl. - Makers of colloidal silver, gold, and copper.
Meta Description: [ Full info and links to benefits of colloidal silver, gold, zinc and copper for accelerated healing and protection against illness and disease from germs, viruses, bacteria, allergens and pathogens. Powerful NON DRUG antibiotic ALTERNATIVE. Completely safe, promotes collagen, increases IQ, and muc... ]
Buried Treasure - Vitamins and minerals formulations in liquid form.
Meta Description: [ Buried Treasure, liquid nutrients, high potency liquid vitamins, liquid minerals, and the most complete synergistic liquid formulas available today, designed for efficient liquid absorption and greater bioavailability ]
Colloidal for Life - Offers colloidal silver and gold, with information on both.
Meta Description: [ Colloids for Life offers Mesosilver & Mesogold natural supplements. Mesosilver is a true, liquid colloidal silver providing nutrients for better health & immunity. ]
Eidon - Sells a variety of liquid mineral supplements.
Meta Description: [ Sometimes a healthy diet just isn't enough. We are a synergistic blend of oxygen, hydrogen, nitrogen, carbon, and essential minerals. Without a proper mineral balance, we cannot achieve optimal health. ]
Ormus Concentrate Products - Offers proprietary vitamin and mineral formuations in liquid form.
Meta Description: [ ORMUS concentrate products help to remove energy blockages and create vital energy balance ]
Pride Labs - Sells colloidal silver, copper, zinc, liquid gold and in combo packs of same. Also offers colloidal silver generators and power supplies.
Vision Minerals - Assortment of minerals including colloidal silver, gold and copper.
Meta Description: [ Vision Minerals, Colloidal Minerals,alternative health products, Colloidal Silver, Colloidal Gold,
Colloidal Zinc, Colloidal Copper,HVAC method, Ormus Products, MSM, clays,alternative medicine. ]
Vital Earth - New fulvic based plant derived colloidal mineral and vitamin formulations in therapeutic strength, liquid concentrations.
Meta Description: [ Highest potency fulvic acid ionic minerals, liquid vitamins, and powerful liquid joint support and arthritis formula, most absorbable calcium, and more ]
Vivic Health Products - Order a unique blend of sea water and selected plant source colloidal minerals.
Meta Description: [ Drinkables Liquid Supplements. Liquid vitamins, Joint Care, Qwell, Noni and Vivic's own Complete Liquid B Complex. From Vivic Health Products and Drinkables. Get your Miracle II products here. ]
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