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forms a dark purple substance called hematein
Source: Wikipedia
Este tipo de iluminación puede coaxial o con un cierto ángulo
The SP-200 spectroscope is a hand-held spectroscope with a range of 400 to 700 nm
1153-EPL/DF model has an internal beam splitter with a 50% vision / 50% documentation ratio
DZ.1100 Estereo Microscopio para Monedas y Sellos forms a dark purple substanceThe modular stereo microscopes of the DZ series combine ergonomics with very high resolution optics. Thanks to the wide variety of zoom units, eyepieces, objective lenses, stands and accessories, the DZ series allows maximum customization of the optical equipment performance to meet all end user expectations. The DZ series features 3 main Zoom modules with ranges of 8x to 50x (1: 6. 3), 8x to 64x (1: 8) and 8x to 80x (1: 10) which combined with
