The Karl Fischer Reagents consist of a solvent Alcohol (ROH), a known concentration of Iodine (I2), a Base (RN) and Sulfur dioxide (SO2). Principle of Reaction. The Bunsen reaction between iodine and sulfur dioxide in an aqueous system is the basis for the Karl Fischer Reagents reactions.
HPLC Reagents is a technique in analytical chemistry used…[Leia mais]

Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs), are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm) by fluorescence. These…[Leia mais]

The Wall printer is a kind of vertical inkjet printer that can print large format full-color images in a vertical direction.
The Floor Printer is a unique, full color digital printing machine. The Floor Printer employs UV technology that can print any digital image, on virtually any floor surface — wood, cement, ceramic, tile, asphalt, brick, e…[Leia mais]

A permanent marker or indelible marker is a type of marker pen that is used to create permanent or semi-permanent writing on an object. In general, the ink comprises a main carrier solvent, a glyceride, a pyrrolidone, a resin and a colorant,[1] making it water resistant. It is capable of writing on a variety of surfaces from paper to metal to…[Leia mais]