PGP77型ICP光譜儀
概述
PGP77型ICP光譜儀是專門用來檢測石油，汽油，潤滑油等石化行業(yè)硅元素等其他雜質元素的儀器。
其測試精度比原子吸收要好，尤其能測原子吸收測不了的硅元素。其他原子吸收能測的元素ICP光譜儀的靈敏度和檢測性能更好。
主要性能參數(shù)
1、波長范圍：180-800nm（2400刻線/mm）或180-500nm（3600刻線/mm）
2、分辨率：在180-500nm整個波段內分辨率≤0.006nm
3、波長示值誤差和重復性：波長示值誤差≤0.02nm，重復性≤0.003nm
4、掃描步距：可達0.0004nm
5、精密度：RSD≤1.5%
6、穩(wěn)定性：RSD≤2.0%
7、檢出限：PPb級
8、分析元素范圍：可對72種金屬元素和部分非金屬元素（如B、P、Si、Se、Te）進行定量和定性分析
9、線性范圍：7個數(shù)量級以上。
10、分析速度：每分鐘掃描20個元素以上
11、等級證書：國家計量器具形式許可
各部件詳細參數(shù)
全自動等離子體發(fā)射光譜儀射頻發(fā)生器（RF）
（1）電路類型：電感反饋自激式振蕩電路、同軸電纜輸出、匹配調諧、取功率反饋信號，進行閉環(huán)自動控制
（2）工作頻率：40.68MHz ± 0.05%
（3）頻率穩(wěn)定性：≤0.05%
（4）輸出功率：800—1500W，自動調整
（5）輸出功率穩(wěn)定性：≤0.3%
（6）電磁場泄漏射強度：距機身20cm 處，電場強度E：＜2 V / m
全自動等離子體發(fā)射光譜儀進樣裝置
（1）輸出工作線圈：內徑25mm 、3匝
（2）炬管：三同心型，外徑20mm的石英炬管
（3）同軸型噴霧器：外徑6mm
（4）雙筒型霧室：外徑34mm
（5）觀測位置：縱向觀察高低和橫向觀察前后，可通過軟件直觀地調為
（6）氬氣流量計規(guī)格和載氣壓力表規(guī)格：
1、等離子氣流量計：(100－1000)L/h (1.6－16L/min)
2、輔助氣流量計：(10－100)L/h (0.16－1.66L/min)
3、載氣流量計：(10－100)L/h (0.16－1.66L/min)
4、載氣穩(wěn)壓閥：(0－0.4Mpa)L/h
5、冷卻水：水溫：21－26℃ 流量＞5L/min 水壓＞0.1Mpa 冷卻水：電阻率＞1MΩ
全自動等離子體發(fā)射光譜儀分光器
（1）光路：Czerny－Turner
（2）焦距：1000mm
（3）光柵規(guī)格：離子刻蝕全息光柵；刻線密度3600線/mm，刻線面積：80×110mm
(或刻線密度2400線/mm，刻線面積：80×110mm)
（4）線色散率倒數(shù)：0.26nm/mm
（5）分辨率：≤0.007nm（整個波段）
（6）掃描波長范圍： 180-500nm，3600刻線/mm；
180-800nm，2400刻線/mm
（7）掃描步距：0.0004nm
（8）出射、入射狹縫：20μm×25μm
（9）反射鏡規(guī)格：（78×105×16）mm
（10）透鏡：φ30，1:1成像
（11）反射鏡規(guī)格：凹型
（12）分光器恒溫裝置：34℃±0.5℃
全自動等離子體發(fā)射光譜儀測光裝置
（1）光電倍增管規(guī)格：日本高效R212UH或R928
（2）光電倍增管負高壓：200-1000V，自動調節(jié)，穩(wěn)定性＜0.01%
（3）光電倍增管電流測量范圍：10-4~10-9A
（4）信號采集為V/F交換：1mV對應100Hz
（5）采樣電路：使用國外高精密度運算放大器，使儀器的靈敏度和精確度大大提高
（6）儀器數(shù)據(jù)采集：通過串口與電腦連接，從而簡化了電路使連接更加便捷
（7）測光方式：單、多元素順序測量
全自動等離子體發(fā)射光譜儀操作軟件：
（1）操作系統(tǒng)：Windows XP 、Windows 7、Windows 10操作平臺
（2）測定波長數(shù)：任意選擇
（3）分析速度：每分鐘20個元素以上
（4）數(shù)據(jù)庫：譜線庫11萬條以上
（5）多窗口：在測量完一次結果后可以在顯示窗口保留上次結果同時、測量下一樣品；
（6）標準加入法：軟件要有標準加入法，以便在不同條件和應用中下使用
（7）分析模式：軟件默認分析模式，擁有儀器診斷、譜圖分析及幾種測量方式和幾種積分模式，單位任選等多種功能
（8）歷史數(shù)據(jù)庫：在歷史數(shù)據(jù)庫中，可以同時可選擇性地打印想要打印的批次分析結果.
（9）數(shù)據(jù)輸出：軟件支持激光打印機打印分析結果
PGP77 ICP spectrometer
Overview
PGP77 ICP spectrometer is an instrument specially used to detect other impurity elements such as silicon, petroleum, gasoline, lubricating oil and other petrochemical industries.
Its test accuracy is better than atomic absorption, especially the silicon element that can not be measured by atomic absorption. The sensitivity and detection performance of other atomic absorption spectroscopy elements ICP spectrometers are better.
Main performance parameters:
1. Wavelength range: 180-800nm ??(2400 reticle/mm) or 180-500nm (3600 reticle/mm)
2, resolution: the resolution in the entire bａnd of 180-500nm ≤ 0.006nm
3, wavelength indication error and repeatability: wavelength indication error ≤ 0.02nm, repeatability ≤ 0.003nm
4, scanning step: up to 0.0004nm
5, precision: RSD ≤ 1.5%
6, stability: RSD ≤ 2.0%
7, detection limit: PPb level
8. Analysis of element range: quantitative and qualitative analysis of 72 metal elements and some non-metal elements (such as B, P, Si, Se, Te)
9, linear range: 7 orders of magnitude or more.
10, analysis speed: scan more than 20 elements per minute
11, grade certificate: national measurement instrument form license A level
Detailed parameters of each component:
Fully automatic plasma emission spectrometer RF generator (RF)
(1) Circuit type: Inductive feedback self-excited oscillation circuit, coaxial cable output, matching tuning, taking power feedback signal, performing closed-loop automatic control
(2) Working frequency: 40.68MHz ± 0.05%
(3) Frequency stability: ≤0.05%
(4) Output power: 800-1500W, automatic adjustment
(5) Output power stability: ≤0.3%
(6) Electromagnetic field leakage intensity: 20cm from the fuselage, electric field strength E: <2 v="">
Fully automatic plasma emission spectrometer sample introduction device
(1) Output working coil: inner diameter 25mm, 3匝
(2) Torch: three concentric type, quartz torch with outer diameter of 20mm
(3) Coaxial sprayer: outer diameter 6mm
(4) Double cylinder type fog chamber: outer diameter 34mm
(5) Observation position: before and after the horizontal observation, horizontal and horizontal observation, can be intuitively adjusted by software
(6) Argon gas flowmeter specifications and carrier gas pressure gauge specifications:
1. Plasma gas flow meter: (100-1000) L/h (1.6-16L/min)
2. Auxiliary gas flowmeter: (10-100) L/h (0.16-1.66L/min)
3. Carrier gas flowmeter: (10-100) L/h (0.16-1.66L/min)
4, carrier gas regulator valve: (0-0.4Mpa) L / h
5, cooling water: water temperature: 21-26 ° C flow rate > 5L / min water pressure > 0.1Mpa cooling water: resistivity > 1MΩ
Fully automatic plasma emission spectrometer splitter
(1) Light path: Czerny-Turner
(2) Focal length: 1000mm
(3) Grating specification: ion etching holographic grating; engraved line density 3600 lines/mm, engraved area: 80×110mm
(or engraved line density 2400 lines / mm, engraved area: 80 × 110mm)
(4) Reciprocal rate of line dispersion rate: 0.26nm/mm
(5) Resolution: ≤0.007nm (whole band)
(6) Scanning wavelength range: 180-500 nm, 3600 reticle/mm;
180-800nm, 2400 lines/mm
(7) Scanning step: 0.0004 nm
(8) Exit, incident slit: 20μm × 25μm
(9) Mirror specifications: (78 × 105 × 16) mm
(10) Lens: φ30, 1:1 imaging
(11) Mirror specifications: concave
(12) Spectrometer thermostat: 34 °C ± 0.5 °C
Fully automatic plasma emission spectrometer photometric device
(1) Photomultiplier tube specifications: Japan high efficiency R212UH or R928
(2) Photomultiplier tube negative pressure: 200-1000V, automatic adjustment, stability <>
(3) Photomultiplier tube current measurement range: 10-4~10-9A
(4) Signal acquisition is V/F exchange: 1mV corresponds to 100Hz
(5) Sampling circuit: using foreign high-precision operational amplifiers, the sensitivity and accuracy of the instrument are greatly improved.
(6) Instrument data acquisition: It is connected to the computer through the serial port, which simplifies the circuit and makes the connection more convenient.
(7) Metering method: single and multi-element sequential measurement
Fully automatic plasma emission spectrometer operating software:
(1) Operating system: Windows XP or Windows 7 operating platform
(2) Measuring the number of wavelengths: arbitrarily selected
(3) Analysis speed: 20 elements or more per minute
(4) Database: more than 110,000 line libraries
(5) Multi-window: After measuring one result, the last result can be retained in the display window while measuring the next sample;
(6) Standard addition method: software must have standard addition method for use under different conditions and applications.
(7) Analysis mode: software default analysis mode, with instrument diagnosis, spectrum analysis and several measurement methods and several integration modes, unit optional and other functions
(8) Historical database: In the historical database, the batch analysis result that you want to print can be selectively printed at the same time.
(9) Data output: software supports laser printer to print analysis results
