ASTM E236-66(1991)
(Specification)Standard Specification for Apparatus For Microdetermination Of Alkoxyl Groups
Standard Specification for Apparatus For Microdetermination Of Alkoxyl Groups
General Information
Standards Content (Sample)
ASTM E236 66 0759510 0506563 ~~ T
~ ~~ - ~~~
fl[Tb Designation: E 236 - 66 (Reapproved 1991)
Standard Specification for
Apparatus For Microdetermination Of Alkoxyl Groups‘
This standard is issued under the fixed designation E 236; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (c) indicates an editorial change since the last revision or reapproval.
i. Scope borosilicate glass and conform to the requirements of Fig. 2.
1.1 This specification covers apparatus for the micro-
NOTE 2-Spent scrubbing solution may be removed from the
scrubber by inserting through the side arm of the scrubber a drawn-out
determination of methoxyl and ethoxyl groups in organic
smaii rubber tube connected to a vacuum source.
medicine dropper or
compounds.
NOTE 3. The scrubber is constricted to prevent scrubbing solution
NOTE I-This specification was originally developed by the Com-
flask or camed over into the
from being sucked back into the reaction
mittee on Microchemical Apparatus, Division of Analytical Chemistry,
receiver.
American Chemical Society?
4. Delivery Tube
2. Reaction Flask
4.1 The delivery tube shall be of borosilicate glass and
2.1 The reaction flask shall be of borosilicate glass and
conform to the requirements of Fig. 3.
shall conform to the requirements of Fig. 1.
5. Receivers
3. Condenser with Scrubber
5.1 Two types of receivers are specified, as follows:
3.1 The West-type condenser with scrubber shall be of
5.1.1 Receiver for Volumetric AnalysiS shall be of borosil-
icate dass and conform to the requirements of Fig. 4.
-5.1.2 Receiver for Gravimetric Analysis shall be of borosil-
1 This specification is under the jurisdiction of ASTM Committee E-41 on
icate glass and conform to the requirements of Fig. 5.
Laboratory Apparatus and is the direct responsibility of Subcommittee E41 .O7 on
Piston Operated Volumetric Apparatus (POVA).
Current edition approved Sept. 20, 1966. Published November 1966. Originally
published as E 236 - 1964 T. Last previous edition E 236 - 55.
Used to estab
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