ASTM D1157-23

ASTM D1157-23

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1.1 This test method covers the determination of total p-tertiary-butylcatechol inhibitor added to polymerization and recycle grades of butadiene or to other C4 hydrocarbon mixtures containing no phenolic material other than catechol or no oxidized phenolic material other than that derived from oxidation of catechol. In general, all phenols and their quinone oxidation products are included in the calculated catechol content. Small amounts of polymer do not interfere. This test method is applicable over the range of TBC from 50 mg/kg to 500 mg/kg.

Product Details

Published:
03/01/2023
Number of Pages:
3
File Size:
1 file , 250 KB
Redline File Size:
2 files , 310 KB
Note:
This product is unavailable in Russia, Ukraine, Belarus

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