GB/T 8570.1-2008 English PDF

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GB/T 8570.1-2008: Determination of liquefied anhydrous ammonia -- Part 1: Taking a laboratory sample
Status: Valid

GB/T 8570.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 8570.1-2008	169	Add to Cart	3 days	Determination of liquefied anhydrous ammonia -- Part 1: Taking a laboratory sample	Valid
GB/T 8570.1-1988	199	Add to Cart	2 days	Liquefied anhydrous ammonia--Taking a laboratory sample	Obsolete

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GB/T 3049   GB/T 6284   GB/T 3050   GB/T 8570.4   GB/T 8570.5   GB/T 8570.3   

Basic data

Standard ID: GB/T 8570.1-2008 (GB/T8570.1-2008)
Description (Translated English): Determination of liquefied anhydrous ammonia -- Part 1: Taking a laboratory sample
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G10
Classification of International Standard: 77.040.40
Word Count Estimation: 7,799
Date of Issue: 2008-06-17
Date of Implementation: 2008-09-01
Older Standard (superseded by this standard): GB/T 8570.1-1988
Adopted Standard: ISO 7103-1982, MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.10 (Total No.123)
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 from the cylinder, take tanker or tank of liquid anhydrous ammonia (ammonia) representative samples of laboratory equipment and operating methods.

GB/T 8570.1-2008: Determination of liquefied anhydrous ammonia -- Part 1: Taking a laboratory sample

---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.
Determination of liquefied anhydrous ammonia Part 1. Taking a laboratory sample ICS 71.040.40 G10 National Standards of People's Republic of China Replacing GB/T 8570.1-1988 Determination of liquid anhydrous ammonia Part 1. laboratory sample taken (ISO 7103. 1982, Liquefiedanhydrousammoniaforindustrialuse- Sampling-Takingalaboratorysample, MOD) Posted 2008-06-17 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 8570 "Determination of liquid anhydrous ammonia" is divided into seven sections. --- Part 1. take laboratory samples; --- Part 2. ammonia content; --- Part 3. residue content by weight of law; --- Part 4. residue content volumetric method; --- Part 5. Water Karl Fischer method; --- Part 6. oil content - Gravimetric and infrared absorption spectroscopy; --- Part 7. iron content  phenanthroline spectrophotometry method. This part of GB/T 8570 Part 1. GB/T 8570 submissions for this section using the ISO 7103. 1982 "industrial liquid anhydrous ammonia --- --- sample taken laboratory sample take". This part of ISO 7103. 1982 structural differences in Appendix A. This part of ISO 7103. 1982 The main differences are as follows. --- According to the actual situation in China, with a T-shaped tube and needle valve in place of the ISO 7103 connector tube fitted three-way switching valve; --- Increased reagent and material content. This Part replaces GB/T 8570.1-1988 "liquid anhydrous ammonia laboratory sample taken." Part of GB/T 8570.1-1988 The main difference with this is. --- Reagent solution, standard titration solution preparation and calibration methods such as the implementation of HG/T 2843 standards; --- Increased content security warning. Appendix A of this section is an informative annex. This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee and soil conditioners Fertilizers (SAC/TC105) and focal point responsible for the interpretation. This section drafted by. National Fertilizer Quality Supervision and Inspection Center (Shanghai). The main drafters of this section. Ji Min, Wu Juan, Zhuo Feng. This section was first released in 1988. Determination of liquid anhydrous ammonia Part 1. laboratory sample taken Warning --- personnel should use this standard regular laboratory work experience. This standard does not point out all possible security asked question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions of the relevant national laws. High liquid anhydrous ammonia Toxic to the skin, eyes, mucous membranes and corrosive, exposure can cause severe burns. Operation should be suitably guarded. See GB/T 3723.

1 Scope

This section GB/T 8570 provisions taken from the cylinder, tank car or tank of liquid anhydrous ammonia (ammonia) a representative sample of the laboratory instrument Apparatus and method of operation.

2 Normative references

The following documents contain provisions which, through reference to GB/T 8570 to the present, constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 3723 sampling industrial chemicals Safety code (GB/T 3723-1999, idt ISO 3165. 1976) Principle 3 The liquid anhydrous ammonia is transferred into pre-cleaned, dried, evacuated stainless steel flask, a predetermined amount to a safety allows. At room temperature, the filling should strictly control the amount does not exceed 75% of the cylinder volume.

4 instruments and equipment

4.1 sampling equipment 4.1.1 Sample Cylinders, shown in Figure 1, made of stainless steel, the effective volume of not less than 1L, the pressure of not less than 3MPa. Figure 1 Sample Cylinders ......

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