Raman Astm Signal-To-Noise Test - Agilent Technologies 1100 Series Reference Manual

4 Troubleshooting and Test Functions
Probable Causes
• Friction too high (< 12 turns)
• Defective monochromator assembly.
Suggested Actions
✔

Raman ASTM Signal-to-Noise Test

Table 21
Duration
Report Style (Agilent ChemStation)
Noise Determination
Solvent
Flow rate
Figure 47
112 1100 Series FD Reference Manual
Exchange the monochromator assembly.
This test verifies the Raman ASTM signal-to-noise.
Raman Signal-to-Noise Test Conditions
ASTM Noise and drift at 350/397 nm, PMT=12 and
Responsetime=8 s taken from 5 to 20 minutes
Raman ASTM Signal-to-Noise Test
approximately 23 minutes
Performance+Noise
5 to 20 minutes
LC grade water, degassed
0.5 - 1 ml/min
Dark current at
350/450 nm
and PMT=12