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ASTM

ASTM D6017-97(2003)

(Test Method)

Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in Leather

Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in Leather

SIGNIFICANCE AND USE
This test method distinguishes magnesium sulfate from other water soluble non-tanning salts found in leather.
SCOPE
1.1 This test method covers quantitatively determining the magnesium sulfate (epsom salt) in leather.  
1.2 The values given in SI units are to be regarded as the standard.  
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.

General Information

Status
Historical
Publication Date
09-May-2003
ICS
59.140.10 - Processes and auxiliary materials
Technical Committee
D31 - Leather
Drafting Committee
D31.06 - Chemical Analysis
Current Stage
Ref Project

Relations

Replaces
ASTM D6017-97 - Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in Leather
Effective Date
10-May-2003
Replaced By
ASTM D6017-97(2009) - Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in Leather
Effective Date
01-Apr-2009

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ASTM D6017-97(2003) - Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in LeatherASTM D6017-97(2003) - Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in Leather
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ASTM D6017-97(2003) - Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in Leather
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D6017–97 (Reapproved 2003)
Standard Test Method for
Determination of Magnesium Sulfate (Epsom Salt) in
Leather
This standard is issued under the fixed designation D 6017; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 5. Reagents
1.1 This test method covers quantitatively determining the 5.1 Hydrochloric Acid, specific gravity 1.19.
magnesium sulfate (epsom salt) in leather. 5.2 Nitric Acid, specific gravity 1.42.
1.2 The values given in SI units are to be regarded as the 5.3 Ammonium Chloride.
standard. 5.4 AmmoniumHydroxide,1to1and1to9partsbyvolume
1.3 This standard does not purport to address all of the with distilled water.
safety concerns, if any, associated with its use. It is the 5.5 Ammonium Nitrate Solution, 10 g dissolved in distilled
responsibility of the user of this standard to establish appro- water and made up to 100 mL.
priate safety and health practices and determine the applica- 5.6 Ammonium Oxalate, saturated solution.
bility of regulatory limitations prior to use. 5.7 Ferric Chloride Solution, 10 g dissolved in distilled
water and made up to 100 mL.
2. Referenced Documents
5.8 Methyl Orange Indicator, 0.05 %.
2.1 ASTM Standards:
5.9 Sodium Ammonium Hydrogen Phosphate, saturated so-
D 3790 Test Method for Volatile Matter (Moisture) of lution.
Leather by Oven Drying
6. Procedure
2.2 Federal Standards:
Federal Test Standard No. 311, Method 6541 Magnesium 6.1 Unless otherwise specified in the material specification,
Sulfate (Epsom Salt) determine the moisture content of the composite sample from
which the test specimen is drawn, in accordance with Test
3. Significance and Use
Method D 3790. Determine the weight of the composite
3.1 This test method distinguishes magnesium sulfate from
specimens for moisture content at the same time and under the
other water soluble non-tanning salts found in leather. same ambient conditions as the specimens weighed for chemi-
cal tests.
4. Apparatus
6.2 Place the specimen in a tared porcelain crucible, 5 g
4.1 Platinum Crucible.
weighed to the nearest 0.001 g, and record the value as W .
4.2 Filtering Crucible.
Place the weighed specimen in a cold muffle furnace or
4.3 Suction Flask.
precarbonize over a burner prior to placing in a hot furnace.
4.4 Muffle Furnace.
Gradually raise the temperature of the furnace to 600 6 25°C
and maintain at this temperature for 60 min. Remove the
crucible and contents, cool in a desiccator, and weigh. Replace
in the furnace at 600 6 25°C for 30 min and repeat the cooling
This test method is under the jurisdiction ofASTM Committee D31 on Leather
and is the direct responsibility of Subcommittee D31.06 on ChemicalAnalysis.This and weighing procedure until a constant weight is obtained (6
test method was developed from Federal Test Method Standard No. 311,
0.01 g). If it is difficult to obtain a constant weight, leach the
Method 6541 in cooperation with the U.S. Army Natick Research Development &
residue with hot distilled water and filter through an ashless
Engineering Center, Natick MA and the Defense Personnel Support Center
filter paper. Place the filter paper in the crucible and ash. Add
Directorate of Clothing and Textiles, Philadelphia PA.
Current edition approved May 10, 2003. Published June 2003. Originally
thefiltratetothecrucibleandevaporate.Thecrucibleshallthen
approved in 1996. Last previous edition approved in 1997 as D 6017 – 97.
be put back in the muffle furnace and heated, cooled, and
Annual Book of ASTM Standards, Vol 15.04.
3 weighed as above until a constant weight (6 0.01 g) has been
Available from Superintendent of Documents, U.S. Government Printing
Office, Washington, DC 20402. obtained.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D6017–97 (2003)
6.3 Moisten the ash with distilled water and add 15 mL of the precipitate with a few drops of 10 % ammonium nitrate
hydrochloric acid (specific gravity 1.19) to the crucible. solution, dry cautiously, ignite for
...

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