![](http://www.alamy.com/thumbs/6/0097B18E-6FDA-4A69-B983-59D147035A41/2A8F175.jpg)
stearic acid in a test tube with a thermometer being held by a caucasian hand in the UK
Size: 4803px × 3201px
Location: UK
Photo credit: © Sara Sadler / Alamy / Afripics
License: Royalty Free
Model Released: No
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