ASTM D365-84(1996)e1
(Test Method)Standard Test Methods for Soluble Nitrocellulose Base Solutions
Standard Test Methods for Soluble Nitrocellulose Base Solutions
SCOPE
1.1 These test methods cover the testing of soluble nitrocellulose base solutions that are made by dispersing various kinds and concentrations of soluble nitrocellulose (cellulose nitrate) in various solvent mixtures.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements see Section 11.
General Information
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e1
Designation: D 365 – 84 (Reapproved 1996)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Methods for
Soluble Nitrocellulose Base Solutions
This standard is issued under the fixed designation D 365; 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 (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Keywords and unit of measurement statement were added editorially in May 1996.
1. Scope CONSISTENCY (VISCOSITY)
1.1 These test methods cover the testing of soluble nitrocel-
5. Consistency Tests
lulose base solutions that are made by dispersing various kinds
5.1 For Consistencies from 3 to 500 s—Determine the
and concentrations of soluble nitrocellulose (cellulose nitrate)
consistency by falling-ball consistency test described in
in various solvent mixtures.
Method D 301 for those solutions having a consistency from 3
1.2 The values stated in inch-pound units are to be regarded
to 500 s when tested in that apparatus.
as the standard. The values given in parentheses are for
5.2 For Consistencies Less than 3 s—Determine the con-
information only.
sistency by Test Method D 1200 for those solutions having a
1.3 This standard does not purport to address all of the
consistency of less than 3 s when tested in the falling-ball
safety concerns, if any, associated with its use. It is the
apparatus referred to in 5.1.
responsibility of the user of this standard to establish appro-
5.3 For Consistencies over 500 s—Determine the consis-
priate safety and health practices and determine the applica-
tency using the apparatus and procedure described in Sections
bility of regulatory limitations prior to use. For specific hazard
6 and 7 for those solutions having a consistency greater than
statements see Section 11.
500 s when tested in the falling-ball apparatus referred to in
2. Referenced Documents 5.1.
2.1 ASTM Standards:
6. Apparatus
D 301 Test Methods for Soluble Cellulose Nitrate
3 6.1 The consistency test apparatus, shown in Fig. 1, shall
D 333 Test Methods for Clear and Pigmented Lacquers
4 consist of the following:
D 1193 Specification for Reagent Water
6.1.1 Glass Tube (preferably heat-resistant glass), 2 6 ⁄32
D 1200 Test Method for Viscosity by Ford Viscosity Cup
6 in. (50 6 1.5 mm) in inside diameter and 10 in. (255 mm) in
E 300 Practice for Sampling Industrial Chemicals
length, with marks 5 6 ⁄16 in. (177 6 1 mm) apart, the upper
3. Significance and Use one being 3 in. (75 mm) from the top of the tube.
3.1 Since the desired specifications and compositions of
NOTE 1—The steel ball can be removed (in order to leave the same
soluble nitrocellulose base solutions vary greatly, these meth-
material in the tube for a check run) by removing the lower stopper.
However, a small air bubble is usually introduced in this way. It is
ods are used to establish whether limits that shall be as agreed
preferable to invert the tube, removing the guide to get the ball out. It is
upon between the producer and the user have been met.
often necessary to put a few drops of solvent in the guide lip to loosen it
from the tube on account of the solution drying at the edge of the tube.
4. Sampling
When the latter method is used for removing the ball, a larger bubble
4.1 Select the sampling method from those listed in Practice
traverses the tube than when the former method is used, but a large bubble
E 300.
moves sufficiently fast, even in a very viscous solution, to escape at the top
in a few minutes, whereas small bubbles take hours to escape.
6.1.2 Steel Ball, 0.6256 0.001 in. (15.88 6 0.02 mm) in
diameter, and weighing 16.5366 0.10 g.
These methods are under the jurisdiction of ASTM Committee D-1 on Paint
6.1.3 Aluminum Guide Cone of light gage aluminum (ap-
and Related Coatings, Materials, and Applications and are the direct responsibilities
of Subcommittee D01.55 on Factory-Applied Coatings on Preformed Products.
proximately 0.02 in. (0.5 mm) in thickness) as shown in Fig. 1.
Current edition approved Oct. 26, 1984. Published January 1985. Originally
The orifice of the guide cone shall be ⁄8 in. (22 mm) in
published as D365 – 33. Last previous edition D365 – 79.
2 diameter, the conical portion 1 in. (25 mm) in height, the
Annual Book of ASTM Standards, Vol 06.03.
3 1
cylindrical portion ⁄2 in. (12.7 mm) in height, and the outside
Annual Book of ASTM Standards, Vol 06.02.
Annual Book of ASTM Standards, Vol 11.01.
diameter shall be slightly under 2 in. (50 mm) so as to fit
Annual Book of ASTM Standards, Vol 06.01.
Annual Book of ASTM Standards, Vol 15.05.
Borosilicate glass is satisfactory for this purpose.
D 365
dance with the procedure described in the Nonvolatile Matter
section of Test Methods D 333.
APPEARANCE OF SOLUTION
9. Procedure
9.1 Compare the appearance of the soluble nitrocellulose
base solution with a reference standard agreed upon between
the purchaser and the seller (both the reference standard and
sample solutions shall be thoroughly agitated before making
observations) in similar bottles for turbidity, hair, grain, and
insoluble matter.
DEPTH OF COLOR
10. Apparatus
10.1 The apparatus used for the preparation of the color
standards and for the depth of color determinations shall
consist of the following:
10.1.1 Light—Source of transmitted light.
FIG. 1 Apparatus for Consistency (Viscosity) Test of Solutions
Having Consistencies over 500 s
NOTE 2—Not absolutely necessary but will increase accuracy and be
more convenient.
snugly into the viscosity tube.
10.1.2 Bottles, three dozen 2-oz (60 mL) screw-cap, square,
6.1.4 Stoppers, made preferably of rubber and covered with
glass.
tin foil.
10.1.3 Flasks, several, 1-L, volumetric.
7. Procedure
10.1.4 Burets, two, 50-mL.
10.1.5 Analytical Balance.
7.1 Fill the tube in any convenient manner whereby bubbles
do not form and no appreciable amount of solvent is lost. One 10.1.6 ColorimeterDubosq colorimeter (see Note 2).
10.1.7 Color Glass—Yellow glass about 25 mm square and
method is to immerse the lower end of the open tube in the
solution and to apply suction at the upper end of the tube. In 10 mm thick.
this manner the tube can be filled in from 5 to 10 s without the
11. Reagents and Materials
introduction of air bubbles or an appreciable loss of solvent.
Close the bottom of the tube with a stopper covered with tin
11.1 Purity of Reagents—Reagent grade chemicals shall be
foil. Push the aluminum guide cone slowly into the top of the
used in all tests. Unless otherwise indicated, it is intended that
tube and insert a stopper covered with tin foil into the top of the
all reagents shall conform to the specifications of the Commit-
guide.
tee on Analytical Reagents of the American Chemical Society,
7.2 Bring the tube and its contents to a temperature of 25 6
where such specifications are available. Other grades may be
0.1°C by placing i
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