Secondary standards for calibrating spectrophotometers
Check for photometric accuracy
Toote variatsioonid
Type | Description | Wavelength nm | Catalog number | PK | Kogus | |
---|---|---|---|---|---|---|
667-UV14 | Reference filter UV14, Perchloric acid | - | 6.240 040 | 1.00 | ||
667-UV60 | Liquid filter UV60, Potassium dichromate 60mg/l | 235 - 350 | 6.240 039 | 1.00 | ||
667-UV350 | Liquid filter calibration-Set, Niacin(UV506, UV512, UV518, UV524, UV599) | 213 - 261 | 4.670 731 | 1.00 | ||
666-F3 | Neutral density glass filter F3, 0.5 absorbance | 440 - 635 | 6.801 332 | 1.00 | ||
667-UV305 | Calibration set acc. to EP9(UV60, UV600, UV14) | - | 7.626 372 | 1.00 | ||
666-F4 | Neutral density glass filter F4, 1.0 absorbance | 440 - 635 | 6.801 868 | 1.00 | ||
667-UV600 | Liquid filter UV600, Potassium dichromate 600mg/l | 430 | 9.190 984 | 1.00 | ||
666-F7W | Glass filter F7, Didymium | 329 - 875 | 6.286 795 | 1.00 | ||
666-F2 | Neutral density glass filter F2, 0.25 absorbance | 440 - 635 | 6.801 867 | 1.00 |