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Standard Test Method for Determination of Beryllium in Soil, Rock, Sediment, and Fly Ash Using Ammonium Bifluoride Extraction and Fluorescence Detection
Automaticky přeložený název:
Standardní zkušební metoda pro stanovení berylia v půdě, Rock, Sediment, a Fly Ash použití amonný bifluorid Těžba a fluorescenční detekcí
NORMA vydána dne 1.5.2014
Označení normy: ASTM D7458-14
Poznámka: NEPLATNÁ
Datum vydání normy: 1.5.2014
Kód zboží: NS-38503
Počet stran: 8
Přibližná hmotnost: 24 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
beryllium, environment, fluorescence, fly ash, rock, sediment, soil, ICS Number Code 13.080.10 (Chemical characteristics of soil)
Significance and Use | ||||||||||||||||||||||||
5.1 Exposure to beryllium can cause a potentially fatal disease, and occupational exposure limits for beryllium in air and on surfaces have been established to reduce exposure risks to potentially affected workers (2, 3). Measurement of beryllium in matrices such as soil, rock, sediment, and fly ash is important in environmental remediation projects involving beryllium contamination 5.2 This test method can be used for purposes such as environmental remediation projects where beryllium is a contaminant of concern. It is also useful for characterization of levels of beryllium in soil at sites where beryllium is in mining or manufacturing applications, and for determination of background levels of beryllium in soil. 1.1 This test method is intended for
use in the determination of beryllium in samples of soil, rock,
sediment, and fly ash. This test method can be used for purposes
such as environmental remediation projects where beryllium is a
contaminant of concern. It is also useful for characterization of
levels of beryllium in soil at sites where beryllium is in mining
or manufacturing applications, and for determination of background
levels of beryllium in soil.
1.2 This test method assumes that samples of soil, rock, sediment, or fly ash are collected using appropriate and applicable ASTM International standard practices. 1.3 This test method includes a procedure for extraction (dissolution) of beryllium in dilute ammonium bifluoride, followed by analysis of aliquots of the extract solution using a beryllium-specific fluorescent dye. 1.4 No detailed operating instructions are provided because of differences among various makes and models of suitable fluorometric instruments. Instead, the analyst shall follow the instructions provided by the manufacturer of the particular instrument. This test method does not address comparative accuracy of different devices or the precision between instruments of the same make and model. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026. 1.6.1 The procedures used to specify how data are collected/recorded, or calculated, in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that generally should be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the user’s objectives; and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations. It is beyond the scope of this standard to consider significant digits used in analytical methods for engineering design. 1.7 This test method contains notes that are explanatory and not part of mandatory requirements of the standard. 1.8 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.
Standard Guide for Sample
Chain-of-Custody Procedures (Includes all amendments and changes
8/22/2018). EN ISO 8655-2 Piston-Operated Volumetric PipettesPart
2: Piston Pipettes Available from American National Standards
Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036,
http://www.ansi.org. Standard Test Method for Determination of
Beryllium in the Workplace by Extraction and Optical Fluorescence
Detection Standard Practice for Using Significant
Digits and Data Records in Geotechnical Data Standard Practice for Use of the Terms
Precision and Bias in ASTM Test Methods Standard Practice for Conducting an
Interlaboratory Study to Determine the Precision of a Test
Method Standard Guide for Accountability and
Quality Control in the Chemical Analysis Laboratory (Includes all
amendments and changes 10/27/2017). ISO594-2 Conical Fittings with a 6% (Luer) Taper
for Syringes, Needles and Certain Other Medical EquipmentPart 2:
Lock Fittings Standard Guide for Site Characterization
for Environmental Purposes With Emphasis on Soil, Rock, the Vadose
Zone and Groundwater (Withdrawn 2013) Standard Terminology Relating to Soil,
Rock, and Contained Fluids Standard Specification for Reagent
Water Standard Practice for Minimum
Requirements for Agencies Engaged in Testing and/or Inspection of
Soil and Rock as Used in Engineering Design and Construction |
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