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Technical specifications:
(1) Fast analysis speed: 20 elements per minute at most
(2) Scan range: scan range 180 ~ 500nm, sine bar mode, motivated by computer-controlled pulse motor, minimum scan pace 0.0005nm
(3) Wavelength indication error and repeatability: wavelength indication error: ± 0.03nm, repeatability ≤ 0.005nm
(4) Correlation coefficient: ≥ 0.9998%
(5) high-precision: relative standard deviation RSD ≤ 1.5%
(6) Stability: relative standard deviation RSD ≤ 2.0%
(7)Testing range: ultra-micro to constant
(8) Low detection limit: ppb (ug / L) level (detection limit of some elements, see Appendix 1)
(9) Multi-element analysis: quantitative or qualitative analysis of 72 metal elements as well as some non-metallic elements (such as B, P, Si, Se, Te) to conduct
(10) measurement mode: single/ multi-element sequential measurement
(11) Power: 800W-1200W adjustable
(12)Easy operation: third-generation multi-window upgraded Chinese or English analysis software operated under Windows XP, faster and more comprehensive, simultaneous operation of multi-task and multi-window (the only one of its type in China)
Radio-frequency generator (RF)
(1) Circuit Type: Self-excited oscillation inductance feedback circuit, coaxial output, match-tuning, power feedback signal, closed loop automatic control.
(2) Working frequency: 40.68MHz ± 0.05%
(3) Frequency stability: ≤ 0.1%
(4) Output power :800-1200W
(5) Output power stability: ≤ 0.3%
(6) Intensity of electromagnetic field leakage: 20cm away from the body
(7) Electric field intensity E: <2 V / m
Sampling Device
(1) output working coil diameter 25mm, 3 turns
(2) Torch: three concentric type, 20mm diameter quartz torch
(3) Diameter of coaxial sprayer 6mm
(4) Diameter of binocular-type spray chamber 34mm
(5) Observation position: longitudinal observation for up and down and lateral observation for front and back, can be adjusted directly through the software.
(6) Specifications of argon flow-meter and carrier pressure gauge:
- plasma gas flow-meter (100-1000) L / h (1.6-16L/min)
- auxiliary gas flow-meter (10-100) L / h (0.16-1.66L/min)
- carrier gas flow-meter (10-100) L / h (0.16-1.66L/min)
- carrier gas regulator valve (0-0.4Mpa) L / h
-
cooling water:
- Temperature:15-25 ℃
- flow> 5L/min
- pressure> 0.1Mpa
- resistivity> 1MΩ
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