<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Andrew cc List:</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Can you give us more detail on your $20 unit from Alibaba? Name, model, etc.</div><div class=""><br class=""></div><div class="">Ron</div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Sep 8, 2018, at 11:14 PM, nari phaltan <<a href="mailto:nariphaltan@gmail.com" class="">nariphaltan@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class="">Andrew. We have not tested this in polluted areas of cities but conjecture that we might get similar readings.<div dir="auto" class=""><br class=""></div><div dir="auto" class="">All the best.</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">Anil</div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="">On Sat, Sep 8, 2018, 5:44 PM Andrew Heggie <<a href="mailto:aj.heggie@gmail.com" class="">aj.heggie@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Sat, 8 Sep 2018 at 03:01, nari phaltan <<a href="mailto:nariphaltan@gmail.com" target="_blank" rel="noreferrer" class="">nariphaltan@gmail.com</a>> wrote:<br class="">
><br class="">
> Dear Norbert,<br class="">
><br class="">
> This small paper of ours on soot measurement might be of interest to you. The work was done in 2012 and we had sent this to Tami. She liked the simplicity of the work. We never published this.<br class="">
><br class="">
> <a href="http://nariphaltan.org/sootpaper.pdf" rel="noreferrer noreferrer" target="_blank" class="">nariphaltan.org/sootpaper.pdf</a><br class="">
><br class="">
<br class="">
Simple and cheap system Anil, I wonder if this meets Nikhil's quest<br class="">
for contextual evidence of cooking originated household air pollution.<br class="">
<br class="">
I have a simple laser detector from a seller on alibarba which cost me<br class="">
about USD20 which log using a simple python script. It would be<br class="">
interesting to sit this adjacent to your sooty plates and see the<br class="">
results as your method integrates the data to give a total loading.<br class="">
<br class="">
Andrew<br class="">
<br class="">
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