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冷蒸汽汞测定仪

简要描述:1)采用Hatch & Ott Cold Vapor技术来检测微量汞含量,可用于饮料、江河、海水、环境、工业废水等领域;2)符合美国环保局EPA 方法 245.1;3)测量范围:0~ 9ug;4)检测限:10 PPT;5)重现性:低于1ug;6)与紫外荧光测汞法相比,更精确,操作费用更低;

  • 产品型号:410型
  • 厂商性质:经销商
  • 更新时间:2023-08-16
  • 浏览次数:2770

产品介绍

进口410型冷蒸汽汞测定仪

410 Cold Vapor Mercury Analyzer


Overview:

The Model 410 Mercury Analyzer System incorporates the Hatch & Ott Cold Vapor Technique for the analysis of trace levels of mercury in drinking, surface and saline waters, as well as domestic and industrial wastes;


Features:

• Perfect for EPA method 245.1;

• Detection limit 10 PPT;

• 400mm Flow cell for lower detection levels;

• Complete analytical system includes Hg Cold Vapor Kit;

• Affordable price perfect for labs with limited budget;

• Quick analysis and recovery time;

• Up to eight point calibration curve;

• Push button Quick-Purge for flow cell flushing;

• RS232, Printer and analog recorder output;

• Simple to use — minimal operator training;

• D2 Background correction;

• Toll-free technical assistance;


Summary of Method:

This method is based on the absorption of radiation by mercury vapor at the 253.7nm line. The mercury is first reduced to the elemental state using the procedure outlined in EPA method 245.1. Air is then bubbled through the sample, speeding the mercury vapor to the absorption cell. The 253.7nm mercury line emitted by the lamp is absorbed by the vapor in the cell in proportion to the mercury concentration. The result is transmitted to the Digital readout which can be read directly in concentration of mercury. The instrument has a built-in “Peak-Picker" which reads peak area. The operator records this reading before purging. The instrument is then ready for the next sample;


Technical Data:

Detection Limits: *10 PPT(* In a clean lab environment);

Absorption Cell: 400 mm path length with silica windows;

Power Requirements: 115/220V.A.C, 50/60Hz, 80 watts;

Dimensions: 39"W x 11"D x 12"H;

Weight: 45 lbs;

Output:: RS232 and Analog;

Background Correction: In-line Deuterium Lamp;

Delivery system: Includes air dryer and charcoal filter;

 

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