what is the percentage of abietic acid in colophony ?

Evan

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Jul 18, 2023
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What is the percentage of abietic acid in colophony?
acid (12.9%), abietic acid (8.7%), kaur-9(11),16-dien- 18-oic acid (4.7%) and neoabietic acid (1.3%). With the carved hole method, the amount of α-pinene went up to 40.
 

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