GB/T 4078-2008 English PDF

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GB/T 4078-2008: Dimension of sample planchets, vials and test tubes for radioactivity measurement
Status: Valid

GB/T 4078: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4078-2008	189	Add to Cart	3 days	Dimension of sample planchets, vials and test tubes for radioactivity measurement	Valid
GB/T 4078-1991	199	Add to Cart	2 days	Dimensions of vials for liquid scintillation counting	Obsolete

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Basic data

Standard ID: GB/T 4078-2008 (GB/T4078-2008)
Description (Translated English): Dimension of sample planchets, vials and test tubes for radioactivity measurement
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F81
Classification of International Standard: 27.120
Word Count Estimation: 8,893
Date of Issue: 2008-06-19
Date of Implementation: 2009-04-01
Older Standard (superseded by this standard): GB/T 4078-1991; GB/T 4080-1983; GB/T 8996-1988
Quoted Standard: GB/T 10259
Regulation (derived from): Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the liquid scintillation counting with a bottle, a tube for radioactivity measurements (including pipe plug) and nuclear electronic instruments sample pan size. This standard applies to liquid scintillation counting with a bottle, a tube for radioactivity measurements (including pipe plug) and nuclear electronic instruments the size of the sample tray design validation and manufacturing and quality control.

GB/T 4078-2008: Dimension of sample planchets, vials and test tubes for radioactivity measurement

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Dimension of sample planchets, vials and test tubes for radioactivity measurement ICS 27.120 F81 National Standards of People's Republic of China Replacing GB/T 4078-1991, GB/T 4080-1983, GB/T 8996-1988 Radioactivity measurement sample trays, bottles and Tube size Posted 2008-06-19 2009-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is GB/T 4078-1991 "liquid scintillation counting bottle size", GB/T 4080-1983 "radiation measurement Tube size "and GB/T 8996-1988" sample tray size "consolidated amendments nuclear electronic instruments. This standard and GB/T 4078-1991, GB/T 4080-1983 and GB/T 8996-1988 compared to the main changes are as follows. The standard Chapter 3, "Nuclear Instrument sample pan and Size" (formerly GB/T 8996-1988) adopted IEC 60248. 1984 sample tray Size, minor modifications and additions include. 1) In the well-type sample tray size, the increase in the diameter of 21mm profile, increase the height of 2mm profile; 2) The well-type sample disc diameter 77mm ~ 200mm tolerance by the "0-0.2" to " -0.3 "; 3) diameter is greater than 60mm, a height greater than or equal to 2mm, the maximum wall thickness changed from 0.6mm "0.8mm"; 4) "on the surface flatness error should not exceed 0.1mm" to "any flatness errors on the surface of 20mm diameter circular area The range should not exceed 0.1mm "; 5) In this standard the well type, flat type and size of dish sample tray, in exceptional cases does not preclude the use of other size or shape Like sample tray. The standard proposed by China National Nuclear Corporation. This standard by the National Standardization Technical Committee on nuclear instrumentation. This standard was drafted. Xi'an Nuclear Instrument Factory. The main drafters of this standard. Sun Liping, Liangping. This standard replaces the standards previously issued as follows. GB/T 4078-1991, GB/T 4080-1983, GB/T 8996-1988. Radioactivity measurement sample trays, bottles and Tube size

1 Scope

This standard specifies the liquid scintillation counting bottles, test tubes for radioactivity measurements (including plugs) and nuclear electronic instrument sample tray size. This standard applies to liquid scintillation counting bottles, test tubes for radioactivity measurements (including plugs) and nuclear electronic instruments the tray foot Inch design verification and manufacturing and quality control.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 10259 liquid scintillation counting system

3 nuclear instruments sample tray dimensions

3.1 Well-type sample rack size 3.1.1 Diameter Its well-type sample disc diameter tolerances are shown in Table 1 and Figure 1. Table 1 well-type sample tray diameter in millimeters Diameter D tolerance 12.7 21.0 25.4 30.0 38.1 50.8 60.0 D 0-0.2 77.0 100.0 140.0 200.0 D 0-0.3 1 well-type sample tray ......

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