Bill,
       Thank you for your inquiry.  Hope you had a Happy New Year.  To answer your question, many years ago the black light test was an indicator to tell if you had adulterated beeswax.  If we have any idea that wax has compromised we do not buy it, but we would normally do a cloud test and if we still aren't able to confirm we would do a melt test and if we feel there is a need we will send it to a lab to have it tested.  There is more information on these test in the Hive and the Honey bee in the latest edition on page 723 under testing beeswax for impurities.  I hope this answers your questions.  Have a great day !!

Arlyn R Hopkins, Customer Service
Dadant & Sons, Inc.
51 South 2nd St
Hamilton, IL 62341
217-847-3324
217-847-3660 fax
www.dadant.com
1-888-922-1293 toll-free
-----Original Message-----
From: Dadant [mailto:[log in to unmask]] 
Sent: Thursday, January 02, 2020 8:20 AM
To: Arlyn Hopkins <[log in to unmask]>
Subject: FW: [BEE-L] Adulterated wax test

Should I keep my eye out to make sure they don’t say anything bad? 

-----Original Message-----
From: Informed Discussion of Beekeeping Issues and Bee Biology [mailto:[log in to unmask]] On Behalf Of William Lord
Sent: Thursday, January 2, 2020 7:09 AM
To: [log in to unmask]
Subject: [BEE-L] Adulterated wax test

I recall a Dadant branch manager telling me years ago he used a black light as a quick check for paraffin adulterated wax.  Apparently the adulterated wax glowed in the dark.  Has anyone used this test?

Bill Lord
Louisburg, NC

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