ASTM D1068-05

Standard Test Methods for Iron in Water

SCOPE
1.1 These test methods cover the determination of iron in water. Procedures are given for determining total iron, dissolved iron, and ferrous iron. Undissolved iron may be calculated from the total iron and dissolved iron determinations. The test methods are given as follows:RangeSectionsTest Method A-Atomic Absorption, Direct0.1 to 5.0 mg/L7 to 15Test Method C-Atomic Absorption, Graphite Furnace5 to 100 g/L16 to 24Test Method D-Photometric Bathophenanthroline g/L40 to 1000 g/L25 to 36
1.2 It is the user's responsibility to ensure the validity of these test methods to waters of untested matrices.
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. Specific hazards statements are given in Note 3, Note 5, and Note X1.1.

General Information

• Status: Historical
• Publication Date: 31-May-2005
• ICS: 13.060.50 - Examination of water for chemical substances
• Technical Committee: D19 - Water
• Drafting Committee: D19.05 - Inorganic Constituents in Water

Relations

• Replaces: ASTM D1068-03 - Standard Test Methods for Iron in Water
• Effective Date: 01-Jun-2005
• Replaced By: ASTM D1068-05e1 - Standard Test Methods for Iron in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM D1688-17 - Standard Test Methods for Copper in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM D1971-16(2021)e1 - Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
• Effective Date: 01-Jun-2005
• Referred By: ASTM D4042-93(2019) - Standard Test Method for Sampling and Testing for Ash and Total Iron in Steel Mill Dispersions of Rolling Oils
• Effective Date: 01-Jun-2005
• Referred By: ASTM D1691-17 - Standard Test Methods for Zinc in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM D3559-15 - Standard Test Methods for Lead in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM D1687-17 - Standard Test Methods for Chromium in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM C375-22 - Standard Classification of Water Used in Milling of Porcelain Enamel
• Effective Date: 01-Jun-2005
• Referred By: ASTM D3557-17 - Standard Test Methods for Cadmium in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM D8006-16 - Standard Guide for Sampling and Analysis of Residential and Commercial Water Supply Wells in Areas of Exploration and Production (E&P) Operations
• Effective Date: 01-Jun-2005
• Referred By: ASTM D3645-15 - Standard Test Methods for Beryllium in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM D858-17 - Standard Test Methods for Manganese in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM D3558-15 - Standard Test Methods for Cobalt in Water
• Effective Date: 01-Jun-2005
• Referred By: ASTM D4922-21 - Standard Test Method for Determination of Radioactive Iron in Water
• Effective Date: 01-Jun-2005

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
An American National Standard
Designation:D1068–05
Standard Test Methods for
1
Iron in Water
This standard is issued under the fixed designation D 1068; 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 D 1691 Test Methods for Zinc in Water
D 1886 Test Methods for Nickel in Water
1.1 These test methods cover the determination of iron in
D 2777 Practice for Determination of Precision and Bias of
water. Procedures are given for determining total iron, dis-
Applicable Methods of Committee D-19 on Water
solved iron, and ferrous iron. Undissolved iron may be
D 3370 PracticesforSamplingWaterfromClosedConduits
calculated from the total iron and dissolved iron determina-
D 3558 Test Methods for Cobalt in Water
tions. The test methods are given as follows:
D 3559 Test Methods for Lead in Water
Range Sections
D 3919 Practice for Measuring Trace Elements in Water by
Test Method A—Atomic Absorption, 0.1 to 5.0 mg/L 7 to 15
Direct
Graphite Furnace Atomic Absorption Spectrophotometry
Test Method C—Atomic Absorption, 5to100 µg/L 16to24
D 4841 Practice for Estimation of Holding Time for Water
Graphite Furnace
Test Method D—Photometric 40 to 1000 µg/L 25 to 36 Samples Containing Organic and Inorganic Constituents
Bathophenanthrolineµ g/L
D 5810 Guide for Spiking into Aqueous Samples
D 5847 Practice for the Writing Quality Control Specifica-
1.2 It is the user’s responsibility to ensure the validity of
tions for Standard Test Methods for Water Analysis
these test methods to waters of untested matrices.
E60 Practice for Analysis of Metals, Ores, and Related
1.3 This standard does not purport to address all of the
Materials by Molecular Absorption Spectrometry
safety concerns, if any, associated with its use. It is the
E 275 Practice for Describing and Measuring Performance
responsibility of the user of this standard to establish appro-
of Ultraviolet, Visible, and Near Infrared Spectrophotom-
priate safety and health practices and determine the applica-
eters
bility of regulatory limitations prior to use. Specific hazards
statements are given in Note 3, Note 5, and Note X1.1.
3. Terminology
1.4 Two former photometric test methods were discontin-
3.1 Definitions: For definitions of terms used in these test
ued. See Appendix X2 for historical information.
methods, refer to Terminology D 1129.
2. Referenced Documents
3.2 Definitions of Terms Specific to This Standard:
2
3.2.1 total recoverable iron—an arbitrary analytical term
2.1 ASTM Standards:
relating to the recoverable forms of iron that are determinable
D 858 Test Methods for Manganese in Water
by the digestion method which is included in these test
D 1066 Practice for Sampling Steam
methods.
D 1129 Terminology Relating to Water
D 1192 Specification for Equipment for Sampling Water
4. Significance and Use
3
and Steam in Closed Conduits
4.1 Iron is the second most abundant metallic element in the
D 1193 Specification for Reagent Water
earth’s crust and is essential in the metabolism of plants and
D 1687 Test Methods for Chromium in Water
animals. If presented in excessive amounts, however, it forms
D 1688 Test Methods for Copper in Water
oxyhydroxide precipitates that stain laundry and porcelain. As
a result, the recommended limit for iron in domestic water
1
These test methods are under the jurisdiction of ASTM Committee D19 on
supplies is 0.3 mg/L. These test methods are useful for
Water and are the direct responsibility of Subcommittee D19.05 on Inorganic
determining iron in many natural waters.
Constituents in Water.
CurrenteditionapprovedJune1,2005.PublishedJuly2005.Originallyapproved
5. Purity of Reagents
in 1949. Last previous edition approved in 2003 as D 1068 – 03.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1 Reagent grade chemicals shall be used in all tests.
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Unless otherwise indicated, it is intended that all reagents shall
Standards volume information, refer to the standard’s Document Summary page on
conform to the specifications of the Committee on Analytical
the ASTM website.
3
Withdrawn. Reagents of the American Chemical Society, where such
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D1068–05
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specifications are available. Other grades may be used, (Test Methods D 3558), copper (Test Methods D 1688), lead
provided it is first ascertained
...