DZ/T 0253.4-2014 Active Industry standards-Geology

DZ/T 0253.4-2014 Analytic methods for biologic samples in eco-geochemistry assessment—Part 4:Determination of fluorine content—Microdiffusion-fluorine reagents spectrophotometry

DZ/T 0253.4-2014 Analytic methods for biologic samples in eco-geochemistry assessment—Part 4:Determination of fluorine content—Microdiffusion-fluorine reagents spectrophotometry

Publish Date: 2014-04-15 Implement Date: 2014-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DZ/T 0253.4-2014

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: General methods for food testing and analysis

Publish Date: 2014-04-15

Implement Date: 2014-06-01

Pages: 7 pages

Scope

This part specifies the method for determining the fluoride content in plant and animal samples for ecological geochemical evaluation.
This part is applicable to the determination of fluoride content in plant and animal samples for ecological geochemical evaluation.
When the sampling quantity is 1 g, the detection limit of fluoride determined by this method is 0.1 μg/g, and the determination limit is 0.4 μg/g.

Development Information

Word Count: 10 Thousand words Pages: 7 pages

Same series standard

DZ/T 0253.1-2014 Analytic methods for biologic samples in eco-geochemistry assessment—Part 1:Determination of the content of 19 elements including lithium,boron,vanadium,etc.—Inductively coupled plasma mass spectrometry DZ/T 0253.2-2014 Analytic methods for biologic samples in eco-geochemistry assessment—Part 2:Determination of selenium content—Fluorescent spectrophotometry DZ/T 0253.3-2014 Analytic methods for biologic samples in eco-geochemistry assessment—Part 3:Determination of total mecury content—Cold atomic fluorescent spectrophotometry

Referenced Standards

DZ/T 0253.1-2014 Analytic methods for biologic samples in eco-geochemistry assessment—Part 1:Determination of the content of 19 elements including lithium,boron,vanadium,etc.—Inductively coupled plasma mass spectrometry GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method GB/T 6379.4-2006 Accuracy (trueness and precision) of measurement methods and results—Part 4:Basic methods for the determination of the trueness of a standard measurement method GB/T 6379.4-2025 Accuracy(trueness and precision)of measurement methods and results—Part 4:Basic methods for the determination of the trueness of a standard measurement method

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