Altana BYK LCS III Betriebsanleitung Seite 3

Table of Contents
5.5 Color measurement ......................................................................................................................................... 37
5.5.1 Take a color measurement ..................................................................................................................... 38
5.5.2 Take a Pharm. Eur. color measurement ................................................................................................. 42
5.5.3 Take a US Pharmacopoeia color measurement ..................................................................................... 46
5.5.4 Determine the Iodine color value ............................................................................................................ 46
5.5.5 Determine the Hazen color value (Pt-Co or APHA-method) ................................................................... 47
5.5.6 Determine the Gardner color value ......................................................................................................... 47
5.5.7 Determine the Klett color number ........................................................................................................... 47
5.5.8 Mineral oil color value (ASTM D 1500 and ISO 2049) ............................................................................ 47
5.5.9 Determine the Saybolt color number (ASTM D 156) .............................................................................. 48
5.5.10 AOCS Cc 13 e (Lovibond®) scale ........................................................................................................ 48
5.5.11 Determine the Yellowness-Index (ASTM D 1925) ................................................................................ 48
5.5.12 Hess-Ives color number ........................................................................................................................ 48
5.5.13 The ADMI color number ........................................................................................................................ 49
5.6 Color difference measurement ......................................................................................................................... 50
5.6.1 Take a color difference measurement .................................................................................................... 50
5.6.2 Take a color difference measurement with stored reference values ...................................................... 53
5.6.3 Add a reference to the reference list ....................................................................................................... 54
5.7 Photometry ....................................................................................................................................................... 55
5.7.1 Single Wavelength (absorbance, concentration and transmittance measurements) .............................. 55
5.7.2 Multi-Wavelength mode - measurements at more than one wavelength ............................................... 58
5.7.3 Wavelength scan mode - recording of absorbance and transmission spectrums .................................. 61
5.7.4 Time course of absorbance/transmittance .............................................................................................. 67
Section 6 Advanced Operations ......................................................................................................................... 71
6.1 System checks ................................................................................................................................................. 71
6.1.1 Instrument information ............................................................................................................................ 71
6.1.2 Upgrade of the instrument software ........................................................................................................ 72
6.1.3 Optical checks ......................................................................................................................................... 72
6.1.4 Output checks ......................................................................................................................................... 74
6.1.5 Lamp history ........................................................................................................................................... 74
6.1.6 Service time ............................................................................................................................................ 75
6.1.7 Instrument backup .................................................................................................................................. 77
Section 7 Maintenance ........................................................................................................................................ 81
7.1 Cleaning requirements ..................................................................................................................................... 81
7.1.1 Housing and cell compartment ............................................................................................................... 81
7.1.2 Display .................................................................................................................................................... 81
7.1.3 Cuvettes/sample cells ............................................................................................................................. 81
7.2 Lamp replacement ........................................................................................................................................... 82
7.3 Filter pad maintenance .................................................................................................................................... 84
7.3.1 Filter pad replacement ............................................................................................................................ 84
Section 8 Troubleshooting .................................................................................................................................. 87
Index ...................................................................................................................................................................... 89
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