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ASTM E1371-05

(Test Method)

Standard Test Method for Gravimetric Determination of Phosphorus in Phosphorus-Copper Alloys or Phosphorus-Copper-Silver Alloys (Withdrawn 2006)

Standard Test Method for Gravimetric Determination of Phosphorus in Phosphorus-Copper Alloys or Phosphorus-Copper-Silver Alloys (Withdrawn 2006)

SCOPE
1.1 This test method covers the gravimetric determination of phosphorus in phosphorus-copper or phosphorus-copper-silver alloys containing 1 to 15 % phosphorus.
1.2 This standard does not purport to address 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.
WITHDRAWN RATIONALE
This test method covers the gravimetric determination of phosphorus in phosphorus-copper or phosphorus-copper-silver alloys containing 1 to 15 % phosphorus.
Formerly under the jurisdiction of Committee E01 on Analytical Chemistry of Metals, Ores, and Other Materials, this test method was withdrawn in July 2006.

General Information

Status
Withdrawn
Publication Date
24-Jul-2005
Withdrawal Date
12-Jul-2006
ICS
77.040.30 - Chemical analysis of metals
77.120.30 - Copper and copper alloys
Technical Committee
E01 - Analytical Chemistry for Metals, Ores, and Related Materials
Current Stage
Ref Project

Relations

Replaces
ASTM E1371-90(1999) - Standard Test Method for Gravimetric Determination of Phosphorus in Phosphorus-Copper Alloys or Phosphorus-Copper-Silver Alloys
Effective Date
25-Jul-2005
Referred By
ASTM B950-22 - Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys
Effective Date
25-Jul-2005
Referred By
ASTM B644-11(2017) - Standard Specification for Copper Alloy Addition Agents
Effective Date
25-Jul-2005

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ASTM E1371-05 - Standard Test Method for Gravimetric Determination of Phosphorus in Phosphorus-Copper Alloys or Phosphorus-Copper-Silver Alloys (Withdrawn 2006)ASTM E1371-05 - Standard Test Method for Gravimetric Determination of Phosphorus in Phosphorus-Copper Alloys or Phosphorus-Copper-Silver Alloys (Withdrawn 2006)
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ASTM E1371-05 - Standard Test Method for Gravimetric Determination of Phosphorus in Phosphorus-Copper Alloys or Phosphorus-Copper-Silver Alloys (Withdrawn 2006)
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Standards Content (Sample)

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:E1371–05
Standard Test Method for
Gravimetric Determination of Phosphorus in Phosphorus-
1
Copper Alloys or Phosphorus-Copper-Silver Alloys
This standard is issued under the fixed designation E 1371; 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.
Note—Corrections were made throughout and the year date changed on July 25, 2005.
1. Scope cipitated with ammoniacal magnesium chloride, then filtered,
ignited, and weighed as magnesium pyrophosphate.
1.1 This test method covers the gravimetric determination
of phosphorus in phosphorus-copper or phosphorus-copper-
5. Significance and Use
silver alloys containing 1 to 15 % phosphorus.
5.1 This test method for the chemical analysis of metals and
1.2 This standard does not purport to address the safety
alloys is primarily intended to test such materials for compli-
concerns, if any, associated with its use. It is the responsibility
ance with compositional specifications. It is assumed that all
of the user of this standard to establish appropriate safety and
who use this method will be trained analysts capable of
health practices and determine the applicability of regulatory
performing common laboratory procedures skillfully and
limitations prior to use.
safely. It is expected that the work will be performed in a
2. Referenced Documents properly equipped laboratory.
2
2.1 ASTM Standards:
6. Interferences
E29 Practice for Using Significant Digits in Test Data to
6.1 Silver is complexed as diamminesilver (I). Copper is
Determine Conformance with Specifications
complexed as tetraminecopper (II).
E 135 Terminology Relating to Analytical Chemistry for
6.2 When present, tin interferes by forming insoluble stan-
Metals, Ores, and Related Materials
nic phosphate. Other elements which form insoluble phos-
E 173 Practice for Conducting Interlaboratory Studies of
3 phates or hydroxides in ammoniacal solution also interfere.
Methods for Chemical Analysis of Metals
E 255 Practice for Sampling Copper and CopperAlloys for
7. Apparatus and Reagents
Determination of Chemical Composition
7.1 Magnesium Chloride Precipitant—Dissolve 65 g of
E 1601 Practice for Conducting an Interlaboratory Study to
magnesiumchloride(MgCl )and140gofammoniumchloride
2
Evaluate the Performance of an Analytical Method
(NH Cl) in 500 mL water, add 375 mL of NH OH, dilute to 1
4 4
3. Terminology L with water, and mix.
7.2 Potassium Chlorate Solution—Dissolve 10 g of potas-
3.1 Definitions—For definitions of terms used in this test
sium chlorate (KClO ) in 200 mL water.
3
method, refer to Terminology E 135.
8. Sampling
4. Summary of Test Method
8.1 Select the sample so as to be representative of the
4.1 After dissolution of the sample in nitric acid, phospho-
material to be analyzed.
rus is precipitated with ammoniacal magnesium chloride.
8.2 For procedures for sampling the material, refer to
Magnesiumammoniumphosphateisseparatedbyfiltrationand
Practice E 255.
redissolved with dilute hydrochloric acid. Phosphorus is repre-
9. Procedure
1
This test method is under the jurisdiction of ASTM Committee E01 on 9.1 Select and weigh a sample in accordance with the
Analytical Chemistry for Metals, Ores, and Related Materials and is the direct
following:
responsibility of Subcommittee E01.03 on Precious Metals.
Tolerance in Sample
Current edition approved July 25, 2005. Published July 2005. Originally
Phosphorus, % Sample Weight, g
Weight, mg
approved in 1990. Last previous edition approved in 2004 as E 1371 – 04.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
0.25 to 2.0 2.0 0.4
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2.0 to 10.0 1.0 0.3
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3
Withdrawn.
Copyright ©ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E1371–05
TABLE 1 Statistical Information—Phosphorus
10.0 to 15.0 0.5 0.2
Phosphorus R , R ,
1 2
Test Material
A A
9.2 Place the weighed sample in a 400-mL beaker. Add 20 Found, % E173 E173
mL of HNO (1 + 1). Heat to dissolve the sample and boil to
3 Copper Phosphorus Powder 2.37 .021 .039
expel the oxides of nitrogen.Add 10 mLof potassium chlorate 2.50% Phosphorus
Copper Phosphorus Powder 7.11 .075 .107
solution to complete the oxidation of the phosphorus to
7.00% Phosphorus
phosphate.Continueboilingandevaporatetobetween5and10
Copper Phosphorus Powder 14.19 .175 .273
15.0% Phosphorus
mL then cool. If crystals appear, add a few millil
...

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Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition (Withdrawn 2023)

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4.2 The selection of correct test pieces and the preparation of a representative sample from such test pieces are necessary prerequisites to every analysis. The analytical results will be of little value unless the sample represents the average composition of the material from which it was prepared.
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Standard Test Method for Determination of Beryllium in Copper-Beryllium Alloys by Phosphate Gravimetric Method

SIGNIFICANCE AND USE
This test method for the chemical analysis of metals and alloys is primarily intended to test such materials for compliance with compositional specifications. It is assumed that all who use these test methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.
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