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<title><![CDATA[EC21 Product Catalogs - o2 concentrator]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/o2_concentrator--2673/1/o2 concentrator.html]]></link><item>
<title><![CDATA[AMPRO Plus - ANALYZER SET INCLUDING O2/ CO/ NO and CO2*1 with IR PRINTER]]></title><link><![CDATA[https://mrulab.en.ec21.com/AMPRO_Plus_ANALYZER_SET_INCLUDING--11523326_11951086.html]]></link><description><![CDATA[Base Model DescriptionLong Life O2 sensor (with 3 - 4 years life expectation): 0 - 21%
CO (H2 compensated) sensor: 0 - 10,000 ppm (short interval reading overload 20,000 ppm)
Calculated CO2 or option]]></description><pubDate><![CDATA[20240613]]></pubDate></item>
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<title><![CDATA[Hydrogen Oxygen Hho Brown Gas Generator Acrylic Polishing Machine]]></title><link><![CDATA[https://smtlabtech.en.ec21.com/Hydrogen_Oxygen_Hho_Brown_Gas--11797359_11797374.html]]></link><description><![CDATA[O2 as source of flame replacing LPG, Propane, Acetylene fuel or natural gas or other fuel.
hho machine(brown gas generator) can be used for welding, cutting, polishing,brazing, glass processing and j]]></description><pubDate><![CDATA[20230526]]></pubDate></item>
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<title><![CDATA[Chemical Etching Tungsten Alloy Metal Etching Tungsten]]></title><link><![CDATA[https://wetetching.en.ec21.com/Chemical_Etching_Tungsten_Alloy_Metal--11869908_11869941.html]]></link><description><![CDATA[Concentration (%)Estimated Etching Depth (microns)Etching QualityEtching TungstenPotassium Hydroxide (KOH)Room temperature20-30% KOH1-10High-quality (smooth)Etching TungstenH2O2 and H2SO4 (Piranha so]]></description><pubDate><![CDATA[20231124]]></pubDate></item>

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