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<title><![CDATA[EC21 Product Catalogs - litmus paper]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/litmus paper.html]]></link><item>
<title><![CDATA[Niacinamide PYRIDINE-3-carboxamide CAS 98-92-0]]></title><link><![CDATA[https://doseohee.en.ec21.com/Niacinamide-PYRIDINE-3-carboxamide-CAS--11587389_11796168.html]]></link><description><![CDATA[litmus test paper to change.Continue heat until the ammonia odor is completely removed,Cool down.Add phenolphthalein indicator solution, neutralize with dilute sulfuric acid, and add copper sulfate t]]></description><pubDate><![CDATA[20230524]]></pubDate></item>
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<title><![CDATA[Calcium Gluconate]]></title><link><![CDATA[https://cortec.en.ec21.com/Calcium-Gluconate--4386572_8782320.html]]></link><description><![CDATA[litmus. 
Application: 
Nutrient, Firming agent, Stabilizer, Texturizer 
The product is an effective and non-toxic calcium supply nutrition. It&amp;#39;s nutrient and helpful to the bone formation and mai]]></description><pubDate><![CDATA[20170516]]></pubDate></item>

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