<?xml version="1.0" encoding="utf-8" ?>
<rss version="2.0">
<channel>
<title><![CDATA[EC21 Product Catalogs - infrared absorption]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/infrared_absorption--0548/1/infrared absorption.html]]></link><item>
<title><![CDATA[Doxofylline Cas 69975-86-6]]></title><link><![CDATA[https://dingyanchemical.en.ec21.com/Doxofylline_Cas_69975_86_6--11841248_12055027.html]]></link><description><![CDATA[Absorption coefficient 
The absorbance was measured at 273 nm, and
the absorption coefficient (E1cm1% &quot;) should be 335~356 
Identification 
Chemical reaction 
Infrared identification 
Should have a p]]></description><pubDate><![CDATA[20260515]]></pubDate></item>
<item>
<title><![CDATA[Caffeine Anhydrous Powder Call: +60143599064]]></title><link><![CDATA[https://andrewtan237.en.ec21.com/Caffeine_Anhydrous_Powder_Call_60143599064--8618843_10815071.html]]></link><description><![CDATA[
Melting Point 234.0-239.0&amp;deg;C (BP/EP) 
Infrared Absorption Conforms to the caffeine Reference Spectrum (BP/EP) 
Appearance of solution Clear,colourless (BP/EP) 
Heavy metals =0.001% (USP) 
]]></description><pubDate><![CDATA[20181002]]></pubDate></item>
<item>
<title><![CDATA[Caffeine Anhydrous B.P. / E.P./ FCC / J.P. / U.S.P]]></title><link><![CDATA[https://nooma.en.ec21.com/Caffeine_Anhydrous_B.P._E.P._FCC--9751693_9751694.html]]></link><description><![CDATA[Infrared Absorption Conforms to the caffeine Reference Spectrum (BP/EP)
Appearance of solution Clear,colourless (BP/EP)
Heavy metals ≤0.001% (USP)
Sulphate ≤500ppm (BP/EP)
Each impurity A,B,C,D,E]]></description><pubDate><![CDATA[20230515]]></pubDate></item>

</channel>
</rss>