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<title><![CDATA[EC21 Product Catalogs - formic acid 99]]></title>
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<title><![CDATA[Caustic Soda]]></title><link><![CDATA[https://noel123.en.ec21.com/Caustic_Soda--12057486_12057487.html]]></link><description><![CDATA[formic acid, oxalic acid, phenol and so on.4. The petroleum industry uses it to refine petroleum products and in drilling muds for oil fields.5. used for the production of alumina, metal zinc and met]]></description><pubDate><![CDATA[20260525]]></pubDate></item>

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