Xact® 920 水质多金属连续分析仪

Xact® 920 水质多金属连续分析仪

Xact® 920 系统采用卷轮式滤带采样和无损 X 射线荧光 (XRF) 分析来监测水样中用户选择的金属。

将测量的样品与内标混合，然后将内标雾化并干燥，以便于去除水分，使金属盐收集在过滤带上。这种预处理收集方法，对于从钾到铀的元素，其检出限能够达到十亿分之一（ppb）的范围。

当采集下一个样品时，刚采集到的样品沉积物自动前进并通过XRF对选定金属进行分析。采样和分析是连续同时进行的，滤带前进期间（约20秒）和日常自动质量控制检验期间除外。

Xact® 920 宣传彩页（中文）

Category:

功能

  • Sampling, analysis, and near-real time reporting every 15, 30, 60, and 120 min in ppb
  • Automatic quality assurance, alarms, and control features
  • Proven XRF technology
  • Identification and measurement of 67 elements simultaneously
  • Incorporates an XRF stability check with every sample analyzed
  • Provides and automatic daily upscale and QA checks

技术优势

  • Highly sensitive and reliable (low ppb to ppm range)
  • Nondestructive analysis allows for sample archiving
  • Low maintenance cost
  • Extremely stable, requiring only automated calibration checks
  • Analytical recalibration frequency generally less than once per year

应用场景

The Xact® 920 monitoring system can simultaneously identify and measure multiple metals in liquid samples to provide data for use in the following applications:

  • Waste water and water treatment plants
  • Industrial and mining influent and effluent
  • Drinking water
  • Food and beverage industry
  • Surface water

技术文档

  • If you want to know more about current state of effluent limitation guidelines for steam EGU, advantages of real time monitoring, Xact ®920’s operation and capabilities, laboratory testing, and field testing monitoring Se in bioreactor effluent, click here for more information.
  • Xact® 920 宣传彩页（中文）

性能参数

Measurement methodBased on EPA Method IO 33: Determination of Metals in Ambient PM Using XRF
Key applicable elementsSb, As, Ba, Cd, Ca Cr, Co, Cu, Fe, Pb, Mn, Ni, Se, Ag, Sn, Ti, Tl, V, Zn, and more available
Measurement range1,000ppm of any analyte
Detection limitsDepends on specific metal, sampling times, interfering metals, and level of dissolved solids See performance section
Sampling and analysis timesEvery 15, 30, 60, or 120 minutes, depending on the per sample dissolved solids
Calibration stability check frequencyAutomatically with each sample analyzed
Estimated recalibration frequencyAnnually, when manufacturer’s operating recommendations are followed
Sample flow rateApplication specific
LinearityCorrelation coefficient >098
Size and weight (2 cabinets)19”(W) x 24”(D) x 60”(H)
120 lbs
19 inch (483 mm) rack-mountable components
Required operating environmentOffice environment with temperature controlled to 20±3°C (68°F)
Power requirements120 VAC/60 Hz @ 20 amp circuits
220 VAC/60 Hz 10 amp with an optional power converter
OutputsRS232 Modbus signal
Selected analytes plus quality control parameters are reported
OptionsChange or add elements
Enclosures (NEMA 4, 4x, 12 or 12x)
Remote control
Remote polling

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