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<title><![CDATA[EC21 Product Catalogs - nitrogen concentrator]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/nitrogen_concentrator--2717/1/nitrogen concentrator.html]]></link><item>
<title><![CDATA[ST-7605 Oxygen Index Tester]]></title><link><![CDATA[https://satatech.en.ec21.com/ST_7605_Oxygen_Index_Tester--3839683_8826373.html]]></link><description><![CDATA[concentration of percentage for polymer just maintain burning 
Technical parameters:
Direct read oxygen value and nitrogen levels by flow-meter
Measurement range: 0-80%, resolution: 0.1L/min
Measurem]]></description><pubDate><![CDATA[20170521]]></pubDate></item>
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<title><![CDATA[Pressure Composition Isotherm Equipment H-Sorb 2600PCT]]></title><link><![CDATA[https://goldapp.en.ec21.com/Pressure_Composition_Isotherm_Equipment_H--9600517_8490046.html]]></link><description><![CDATA[nitrogen, argon, krypton etc.), detailed and comprehensive final equilibrium pressures will be recorded automated by Gold APP Instruments company dedicated and patented software. These data are used ]]></description><pubDate><![CDATA[20240118]]></pubDate></item>
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<title><![CDATA[Water Vapor Permeation Rate Tester Weighing Method Humidity Permeability Testing Machine]]></title><link><![CDATA[https://systester18.en.ec21.com/Water_Vapor_Permeation_Rate_Tester--10834034_10898901.html]]></link><description><![CDATA[concentration gradient at two sides of the specimen, water molecules will permeate through the specimen into the dry gas side, penetrated water molecules will be carried to the relative humidity sens]]></description><pubDate><![CDATA[20221214]]></pubDate></item>
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<title><![CDATA[Characteristics of A Fast Ammonia Nitrogen Analyzer]]></title><link><![CDATA[https://kobebean24.en.ec21.com/Characteristics_of_A_Fast_Ammonia--11076331_11855967.html]]></link><description><![CDATA[Characteristics of a fast ammonia nitrogen analyzer1. The instrument adopts a 4.3 inch color TFT screen, with a user-friendly interface according to the testing needs;2. The instrument supports large]]></description><pubDate><![CDATA[20231018]]></pubDate></item>

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