detailed description

1、 Application scope(Can analyze all metallic elements and some non-metallic elements in the periodic table)

1. Analysis of steel and its alloys: including carbon steel, cast iron, alloy steel, high-purity iron, ferroalloys, etc.

2. Analysis of non-ferrous metals and their alloys: including non-ferrous metals and their alloys, rare metals and their alloys, precious metals, rare earth elements and their compounds.

3. Analysis of water quality samples: including drinking water, surface water, mineral water, high-purity water, and wastewater.

4. Analysis of environmental samples: including solid waste, soil, fly ash, atmospheric dust, etc.

5. Analysis of geological and mineral samples: including geological samples, ores, and minerals.

6. Analysis of animal, plant and biochemical samples: including plants, traditional Chinese medicine and animal tissues, biochemical samples, etc.

7. Analysis of nuclear industry products: including nuclear fuel, nuclear materials, etc.

8. Analysis of food and beverages: including food, beverages, etc.

9. Analysis of chemical products: including chemical reagents, chemical products, inorganic materials, cosmetics, oils, etc.

2、 Main technical parameters

Radio Frequency Generator (RF)）
(1) Circuit type: Inductive feedback self-excited oscillation circuit,Fully automatic ignition, fully automated control, all functions are set by computer(Setting parameters such as ignition, shutdown, and power); Real time power control; Automatic matching tuning; Constant temperature in the light chamber; Automatic peak position correction; Peristaltic pump injection, with continuously adjustable pump speed; There are multiple injection systems to choose from for different samples (ordinary injection system, high salt resistant injection system, hydrofluoric acid resistant injection system); Anti UV radiation and anti high-frequency radiation observation glass make operation safer.

Coaxial cable output, matching tuning, power feedback, 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) Electromagnetic field leakage intensity: 30cm away from the fuselage
Electric field strength E:<2V/m, magnetic field strength H:<0.2A
Sample injection device:
(1) Output working coil inner diameter 25mm, 3 turns
(2) Torch tube: Three concentric Fassel type, 20mm outer diameter quartz torch tube
(3) Outer diameter of coaxial spray 6mm
(4) Double tube fog chamber outer diameter 35mm
(5) Specification of argon flowmeter and carrier gas pressure gauge:
① Plasma flowmeter (100-1000) L/h; (1.6-16L/min)
② Auxiliary gas flow meter (10-100) L/h; (0.16-1.66L/min)
③ Carrier gas flow meter (10-100) L/h; (0.16-1.66L/min)
④ Carrier gas stabilizing valve (0-0.4MPa)

Light metering device:
(1) Photomultiplier tube specification: R212UH
(2) Negative high voltage of photomultiplier tube: 200-1000V, stability<0.05%
(3) Measurement range of photomultiplier tube current: 10^-12 -10^-4A
(4) Signal acquisition is V/F exchange: 1mV corresponds to 100Hz

Spectrometer:
(1) Optical path: Czerny Turner
(2) Focal length: 1000mm
(3) Grating specifications: ion etched holographic grating, with a line density of 3600 lines/mm,

Engraving area: 80 × 110mm, reciprocal of line dispersion rate: 0.26nm
(4) Wavelength range: 190-500nm
(5) Resolution: ≤ 0.008nm
(6) Scanning wavelength range: 3600 lines/mm Scanning wavelength range: 190-500nm
(7) Minimum step distance for stepper motor drive: 0.0005nm
(8) Incident slit: 20 µ m Exit slit: 25 µ m
(9) Transmitting mirror specification: (78 × 105 × 16) mm
(10) Lens ф 30, 1:1 imaging

3、 Detecting elements and their detection limits:

1. The analysis speed is as fast as one minute to analyze 15 or more elements at the fastest

2. High precision, relative standard deviation RSD ≤ 1.5%

3. Good stability, relative standard deviation RSD ≤ 2.0%

4. Detection limit low μ g/L

5. Multiple analysis elements can be used for quantitative analysis of over 70 types of elements

6. Easy to operate, the brand new Windows operating environment is fully functional

7. Fully automatic ignition gas path intelligent control, realizing software ignition, more convenient

8. Safety includes cooling water protection, argon gas protection, and arc extinguishing protection for greater safety

Multiple shielding and good grounding are used to ensure that the instrument radiation is less than 2V/m (as specified in JJG768-2005)

10V/m)。 Better ensure the safety of operators