Inductively Coupled Plasma Emission Spectrometer

2technical indicators

2.1. Instrument working environment

2.1.1 Voltage: 220VAC ± 10%

2.1.2. Room temperature: 15-35℃

2.1.3. Relative humidity: 20%-80%

2.2 Overall requirements for the instrument: The spectrometer adopts the latest design, with excellent and advanced technology, and can quickly analyze the content of dozens of elements within one minute. The sample usage is small and the consumption cost is low. The instrument must include a high-frequency generator, plasma and sampling system, spectroscopic system, detector, analysis software, and computer system, with fully automatic control. The bidding model of the bidder should be the latest model from the manufacturer.

2.3 Performance indicators:

2.3.1 Detector:

*2.3.1.1 Solid state detector with efficient semiconductor refrigeration, with continuous pixels within the wavelength range of the spectrometer, capable of arbitrary wavelength selection, and designed with natural anti overflow function;

*2.3.1.2. Detection unit: greater than4,000000 detection units, reading speed ≥ 2.0 MHz;

*2.2.1.3Pixel resolution:≤0.002nm；

2.3.2 Optical System: Constant Temperature Driven Mid Step Spectral System

*2.3.2.1 Monochromator: Medium step grating and prism two-dimensional dispersion system, high energy. To ensure the stability of instrument testing, the positions of internal optical components such as grating and prism are fixed and not moved. All elements are measured simultaneously in one exposure within the full wavelength range of the spectrometer;

*2.3.2.2 Light Chamber: Equipped with a precision light chamber constant temperature of 38.0 ℃± 0.1 ℃ (provide real-time feedback software screenshot of the light chamber temperature), the light chamber can be purged and measured using argon or nitrogen gas<200nmGas displacement during spectral line analysis <3L/min；

*2.3.2.3 Wavelength Range: Must include 167-819nm， Full wavelength coverage, capable of measuring Al 167.079nm, P 178.2nm, B 182.6nm, Na 818.326nm,Provide software screenshots;

*2.3.2.4 Optical Resolution (FHW):As189.042nmfull width at half maximum<0.007nm， Ca393.366nm half width<0.017nm, Ba614.172full width at half maximum<0.024nm, K766.490nmfull width at half maximum<0.035nm(Resolution and detection limit indicators must be obtained under the same conditions), and proof materials must be provided;

*2.3.2.5 To ensure the stability and excellent luminous flux of the optical system, the focal length should be ≤300mm。

2.3.3 Plasma:

*2.3.3.1 Plasma observation method: The torch tube is placed vertically and observed in both directions, providing both horizontal and vertical observation results in one analysis;

2.3.3.2 RF Generator: Solid state generator, direct coupling, automatic tuning, frequency conversion, no matching box design, plasma coil with PTFE protective layer design, corrosion-resistant, maintenance free;

*2.3.3.3, Frequency: ≤ 27.12MHZ；

*2.3.3.4 RF power: ≥ 1300W；

*2.3.3.5Gas path control: configuration3High precision mass flow meter for road, composed ofICPOESSoftware direct control, including cooling air, auxiliary air, atomizationqiAccuracy0.01L/min；

*2.3.3.6Tail flame treatment technology: using cone back blowing argon gas technology to avoid the loss of sensitivity to ultraviolet spectral lines caused by air cutting and other technologies. If nitrogen or argon gas is used for cutting, in order to save costs, the consumption should be less than3L/minProvide photographic proof of the hardware design for the tail flame treatment of the instrument.

2.3.4 Sample injection system:

*2.3.4.1 Torch tube:Adopting an auxiliary gas path that does not require manual connection of plasma gasbayonet-typeTorch tube design, to facilitate daily replacement and maintenance and avoid air leakage caused by multiple maintenance; A split quartz torch tube with multiple diameter center tubes can be configured to reduce the later use cost of the torch tube；

2.3.4.2 Nebulizer: High efficiency concentric atomizer;

2.3.4.3 Atomization chamber: swirl atomization chamber;

*2.3.4.4 Online automatic monitoring of waste liquid safety: equipped with waste liquid sensors, capable of real-time automatic monitoring of instrument status, ensuring accurate data and safe instrument use; (Provide software screenshot proof materials)

2.3.4.5 Peristaltic pump:12roller3Channel peristaltic pump.

2.3.5 Analysis software:

2.3.5.1 Multi task and multi-purpose operating platform based on networked connection and control Meets the requirements of 21CFR Part 11, with login password protection, multi-level operation permission settings, and network security management, as well as functions such as historical records, electronic signatures, and automatic backups;

2.3.5.2. The software is easy to operate and intuitive, with qualitative, semi quantitative, and quantitative analysis functions;

*2.3.5.3. It has the function of simultaneously recording the spectral lines of all elements through "spectral capture";

2.3.5.4. Equipped with at least three interference correction techniques, including inter element interference correction and real-time background subtraction;

2.3.5.5 Instrument diagnostic software and network communication, data reprocessing function;

2.3.5.6Compatible with multiple instrument controls, withICP-MS,HR-ICP-MS,NSX, Quad-ICP-MSwaitUsing the same software control platform for 8 instruments can effectively reduce training costs;

*2.3.5.7Modular design of softwareIntegrate instruments and auxiliary plugins into separate workflowsprovide了A flexible framework. In addition to instrument plugins, the software also includes automatic sampler and automatic diluter systemsEquipped with integrationplugin；

2.3.5.8, SupportExcel，XML,CSVData exportCan be directly connected to LIMSSystem integration.

2.3.6. Performance Analysis:

*2.3.6.1 Analysis speed: It can test more than 180 spectral lines within 1.5 minutes, and the integration time of each measured spectral line is ≥ 10 seconds, repeated 3 times, and the flushing time is ≥ 20 seconds; (Provide software screenshot proof)

2.3.6.2 Sample consumption:<2mlThe measurement is greater than72 elements;

2.3.6.3 Spectral line flexibility: It can perform qualitative, semi quantitative, and quantitative analysis on any spectral line of the analyzed element, facilitating analysis and research;

*2.3.6.4 Determination of linear dynamic range of spectral lines: ≥ 10⁶(With)Mn257.6nm, correlation coefficient ≥ 0.9996), provide supporting materials;

*2.3.6.5 Internal standard calibration: Simultaneous internal standard calibration, which means that the internal standard elements and measurement elements must be exposed simultaneously;

2.3.6.6 Precision: Measurement 1ppmor10ppmMulti element mixed standard solution, repeated measurement ten timesRSD≤0.5%；

2.3.6.7 Stability: Determination 1ppmor10ppmMulti element mixed standard solution, without using internal standard calibration, continuous measurement4Long term stability of hoursRSD＜10