日韩av在线高清免费毛片日韩欧美一级成人|女人18以后毛片|国产18女人毛多水多毛片|乱系列人妻视频|中文字幕久久熟女人妻av|91麻豆人妻|校花被我玩弄|父女乱荡|高潮videossex潮喷另类|日本在线观看人妻,黑人侵犯日本人妻,色哟哟视频线在线播放欧美,亚洲欧美国产国产一区第二页

1. Applications

Widely used in the field of tap water,， environmental monitoring， health and epidemic prevention,， quality inspection,， petrochemical， geological exploration,， medicine production inspection

2. Working environment

Volt: Ac220v±10% 50Hz; Temperature: 10~30℃; Humidity: 25~85%

3. Parameters

(1)Inorganic anions:F^-,，Cl^-，NO₂^-,，NO₃^-,，SO₄^2-，Br^-,，PO₄^3-,，ClO₂^-,，ClO₃^-,，BrO₃^-

Inorganic cations:Li⁺，Na⁺,，NH₄⁺,，K⁺，Ca²⁺,，Mg²⁺,，Sr²⁺,，Ba²⁺

(2)Integration of internal thermostat system (Patent No.200820019630.3),， With temperature range 5-65℃ and precision ±0.01℃

(3)The system is readily operated by the mouse， and is capable of selecting the range,， zero adjust and set the current.

(4)Inside the screen has a small-scale workstation,， It exhibit、treat the chromatogram ,，and save the data.

(5)Integration of dual-conductivity detector,、dual-injection valve、dual-fluid pump,、dual-work station and thermostat system. Synchronous detection anions and cations.

*(6)The auto-sampler is connected to the ion chromatograph via dedicated interface,， It inject samples automatically,， needless of human duty and are highly efficient

4、Conductivity detector;

（1）Five pole cell：The electrode employ annulus passivated 316 stainless steel with cell capacity less than 0.8ul. It overcomes the difficulty of electrode polarization. High signal to noise ratio. The instrument is configured with electronic thermostat and temperature compensation device,， With temperature range 5-65℃ and precision ±0.01℃,， temperature compensation（1.7％-2.0％）/℃，The entrance of conductivity detector is connected to the micro-membrane suppressor with the maximum pressure is 10MPa（1500Psi）,。

（2）Conductivity detection range： 0-35000uS,， adjustable， has the manual and automatic gear selection function,。

（3）Resolution：not less than 1/40000(≤0.0020ns/cm)

（4）Baseline noise: less than0.6％Fs; Baseline drift：less than ±0.7％Fs

（5）Linear range:＞100 Correlation coefficient:≥0.995 （namely linear error≤0.5%）

（6）Output volt range：-6000mv～+6000mv Zero adjust range：-6000mv～+6000mv

（7）Suppressor current：0-150mA,， 1mA increment， set on the screen by users.

5,、Fluid pump：

The device is double plunger reciprocating pump controlled by microprocessor. It employs advanced intelligent control algorithm， minimizing the flow pulsation. It has a RS-232/485 interface,， and can bring about dual to quaternary gradient elution and computer remote control.

（1）Withstand pressure range：0－42.0MPa(stainless steel)， 0~35MPa(PEEK materials)

（2）Velocity range：0.001ml/min～9.999ml/min（0.001ml/min increment）

（3）Precision：RSD＜0.1% （Determined by 1ml/min）

（4）Velocity precision：＜0.1%

（5）Pressure sensor：accuracy 0.1MPa

（6）Excessive pressure：when the pressure is over the maximum pressure or less than the minimum pressure,， the system will shutdown automatically and alarm.

6,、Circulation system：

The circulation system is made of PEEK materials(imported),，which show good compatibility with different column and eluent， allowing the use of strong acid or strong base eluent,， tolerating 100% organic solvent.

7,、Suppressor：

Auto-regenerating membrane suppressor,， On-line regeneration,， High capacity， Low background conductivity,， Low noise,， straight baseline and free of maintenance. Strong resistance to pollution and is durable， the PH range 0-14. The volume is small and the system is stabilized within 12min,， good reproducibility.

8,、Working station

24 high sensitivity and high precision digital-to-analog conversion. Dedicated ion chromatograph workstation， which transmit digital message with computer via USB,， Collect and treat the data. Reverse control operation of the instrument,， On-line setting the parameters and man-machine dialogue. Automatically receive、analyze and controlthe chromatographic conditions. Function of distinguish negative peak automatically and baseline subtraction. Automatic integration and generation of reports. Automatic detection of the instrument state， alarm the fault and provide protection.

*9,、Auto-sampler:

The auto-sampler employ electric valve full pipe injection,， trace amount sample injection and rapid determination， Settle the problem of residual,、injection rate and reproducibility

Actual acquisition of the number of standard samples：not less than100

Bottle capacity：≥10ml,，100 amount of bottle

Injection volume:0.1uL-1000uL(full pipe injection)

Reproducibility for injection volume：0.01％RSD(Injection volume: 5uL-1000uL)

Cross contamination：CV<0.001％

* 10.Technical parameters：(Usingtechnical indicators approved by the license for manufacturing measuring instrument as standard)

Anions: Simultaneous detection of F^-，Cl^-,，NO₂^-,，NO₃^-，SO₄^2-,，Br^-，PO₄^3-,，ClO₂^-,，ClO₃^-，BrO₃^-

Detection limits≤2×10^-4μg/g (Cl^-),，Reproducibility; better than 1.5%(SO₄^2-) Linear range＞100

Cations: Simultaneous detection of Li⁺,、Na⁺、NH₄⁺,、K⁺,、Ca²⁺、Mg²⁺,、Sr²⁺,、Ba²⁺

Detection limits≤7×10^-3μg/g (Na⁺)， Reproducibility; better than 1.5%(Na⁺) Linear range＞100

*11,、Voltammetric(Amperometric)Detection(selectively configured by different user)

Four detection mode,， namely DC amperometric detection,、pulsed amperometric detection,、Integral amperometric detection、differential pulse voltammetry

The flow path or flow injection proof mode,， use of proper work electrode to complete the determination with the four methods. Applied to the detection of bromide,、iodide、sulfide,、cyanide(etc anions),，Lead、cupric,、zinc,、cadmium(etc cations)and organic compound.

Linear range：1μg/L-1mg/L

Detection limits：Br^-：1.5 μg/L、 I^-：5 μg/L ,、 S^2-：5 μg/L ,、 CN^-：30 μg/L,、 Cu²⁺：0.5 μg/L、 Zn²⁺：1 μg/L,、Pb²⁺：0.2μg/L,、 Cd²⁺：0.1μg/L

Note: Due to technical progress update， the performance indicators will improve,， site indicators for reference only.