Agilent Technologies 1100 Series Instrukcja Obsługi Pobierz pdf (Strona 182)

172 1100 Series Capillary LC System Manual

7 Performance Specifications

Performance Specifications Agilent 1100 Series DAD

Reference conditions for data of Table 92:

• cell path length 10 mm, response time 2 s,

• flow 1 ml/min LC-grade Methanol,

• slit width 4 nm.

Linearity measured with caffeine at 265 nm.

Tabl e 92 Performance Specifications Agilent 1100 Series Diode Array Detector

Type Specification Comments

Detection type 1024-element photodiode array

Light source Deuterium and tungsten lamps

Wavelength range 190 – 950 nm

Short term noise

(ASTM)

Single and

Multi-Wavelength

Typically ±3×10

-5

AU at 254 nm at flow

rates <100 µl/min

For the 500 nl flow cell the

noise is 2-3 times higher

than with standard flow

cell

Drift 2 × 10

-3

AU/hr at 254 nm

Linear absorbance

range

> 2 AU (upper limit)

Wavelength accuracy ± 1 nm Self-calibration with

deuterium lines,

verification with holmium

oxide filter

Wavelength bunching 1 – 400 nm Programmable in steps of

1 nm

Slit width 1, 2, 4 , 8, 16 nm Programmable slit

Diode width < 1 nm

Flow cell 500 nanoliter: 0.5 µl volume, 10 mm cell path

length and 50 bar (725 psi) pressure

maximum

1 2 ... 177 178 179 180 181 182 183 184 185 186 187 ... 195 196

Brak uwag

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