Color by Visual Comparison | Color by Spectrophotometer Single Wavelength |
Color - Colorimetric, ADMI @ pH 7.6 | Color by Spectrophotometric Method |
Color - Colorimetric, Pt-Co | Color by Visual Comparison |
Color - Colorimetric, Pt-Co | Color by Visual Comparison |
Color - Spectrophotometric | Color by Visual Comparison |
Color - Spectrophotometric | Color by Visual Comparison |
Color, electrometric visual comparison | Color by Visual Comparison |
Phenol in Drinking and Surface Waters, Domestic and Industrial Wastes | Color by Visual Comparison |
Color by Visual Comparison | Color by Visual Comparison |
Color by Visual Comparison | Color by ADMI Tristimulus Filter Method |
Color by Spectrophotometer | Color by Tristimulus Method |
Color by Spectrophotometer | Color by Visual Comparison |