Semimicro determination of hydroxy and amino compounds using pyromellitic dianhydride
Conference
·
OSTI ID:7279995
The PMDA method for determining hydroxyl and primary and secondary amino groups was applied on the semimicro scale. A sample containing 0.4 to 0.6 meq amine or hydroxyl was reacted with 25 ml 0.04 M PMDA. The unconsumed PMDA was titrated with 0.08 N base. For colorless, clear samples, the phenolphthalein endpoint was used; for colored or turbid samples, a potentiometric titration is recommended. Further scaling down of the method may be feasible by increasing the PMDA/OH ratio.
- Research Organization:
- California Univ., Livermore (USA). Lawrence Livermore Lab.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 7279995
- Report Number(s):
- UCRL-77367(Rev.1); CONF-760623-1
- Country of Publication:
- United States
- Language:
- English
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