ColdBlock’s digestion technology combines focused, infrared heating with a cooling block to dissolve solid sample matter into liquid. The result is a significantly faster digestion process, with ...

Glycolic acid is a substance that chemically exfoliates a person’s skin by dissolving dead skin cells and oils. Glycolic acid may also help boost collagen production, and support skin moisture.

Soil water content (WC) was measured by drying method; pH was measured by potentiometric method; OM was determined by potassium dichromate and sulfuric acid digestion; total nitrogen content (TN) was ...