Hellma

Hellma Hellma calibration standard basic set EP1002 for checking according to Ph. Eur. in the UV range / checking wavelength accuracy (241-640nm) /

Name: Hellma Hellma calibration standard basic set EP1002 for checking according to Ph. Eur. in the UV range / checking wavelength accuracy (241-640nm) /
Brand: Hellma

Hellma® calibration standard basic set EP1002 for checking the photometer according to Ph. Eur. in the UV range Checking the wavelength accuracy with UV5 holmium oxide liquid filter, calibrated at wavelengths 241, 287, 361, 452, 485, 536, 640 nm, slit width 1 nm, measured against UV14 perchloric acid (blank). Verification of photometric accuracy and linearity in the UV range with UV506 niacin 6 mg/l, UV512 niacin 12 mg/l, UV524 niacin 24 mg/l, calibrated at wavelengths 213, 261 nm, slit width 1 nm, measured against UV599 hydrochloric acid (blank). Checking stray light at 250 nm with UV23 potassium iodide and UV12 ultrapure water (blank), calibrated with slit width 2 nm, cut-off approx. at 259 nm. Checking the spectral resolution with UV6 toluene in hexane and UV9 hexane reference filter (blank), calibrated at wavelengths 265 - 270 nm, slit widths 0.5, 1.0, 1.5, 2.0, 3.0 nm. All filters with serial number, packed in high-quality storage box with DAΕμφάνιση περισσότερων

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