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GB/T 337.2-2014

Chinese Standard: 'GB/T 337.2-2014'
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BASIC DATA
Standard ID GB/T 337.2-2014 (GB/T337.2-2014)
Description (Translated English) Dilute nitric acid for industrial use
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G11
Classification of International Standard 71.060.30
Word Count Estimation 7,780
Date of Issue 2014/7/8
Date of Implementation 2014/12/1
Older Standard (superseded by this standard) GB/T 337.2-2002
Quoted Standard GB 190-2009; GB/T 337.1-2014; GB/T 6678; GB/T 6680; GB/T 6682-2008; GB/T 8170; HG/T 3696.1; HG/T 3696.3
Drafting Organization Hangzhou Longshan Chemical Co., Ltd.
Administrative Organization National Standardization Technical Committee Chemistry Inorganic Chemicals Branch
Regulation (derived from) 2014 National Standards Bulletin No. 18
Proposing organization China Petroleum and Chemical Industry Federation
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 sub-type of dilute nitric acid for industrial use, requirements, test methods, inspection rules, marking, labeling, packaging, transportation, storage, and security. This standard applies to industrial use dilute nitric acid. T

GB/T 337.2-2014
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 71.060.30
G 11
Replacing GB/T 337.2-2002
Dilute Nitric Acid for Industrial Use
工业硝酸 稀硝酸
ISSUED ON. JULY 8, 2014
IMPLEMENTED ON. DECEMBER 1, 2014
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References ... 5
3 Molecular Formula and Relative Molecular Mass ... 6
4 Types ... 6
5 Requirements ... 6
6 Test Methods ... 6
7 Inspection Rules ... 8
8 Mark and Label ... 9
9 Package, Transportation and Storage ... 9
10 Safety ... 10
Foreword
GB/T 337 Nitric Acid for Industrial Use can be divided into the following two parts.
--- Part 1. Concentrated Nitric Acid for Industrial Use;
--- Part 2. Dilute Nitric Acid for Industrial Use.
This Part belongs to Part 2 of GB/T 337.
This Part was drafted as per the rules specified in GB/T 1.1-2009.
This Part replaced GB/T 337.2-2002 Dilute Nitric Acid for Industrial Use. Compared
with GB/T 337.2-2002, this Part has the following major technical changes besides
editorial changes.
--- Add product type (see Chapter 4);
--- Delete Acid 62, add the specification of Acid 60 and Acid 55 (see 5.2 of this
Edition; 3.2 of 2002 Edition);
--- Adjust the nitrous acid content from 0.20% to 0.10%; adjust burning residue from
0.02% to 0.01% (see 5.2 of this Edition; 3.2 of 2002 Edition);
--- Modify the test procedures of nitric acid content (see 6.3 of this Edition; 4.1 of
2002 Edition);
--- Modify the test procedures of nitrous acid content (see 6.4 of this Edition; 4.2 of
2002 Edition);
--- Modify the test procedures of burning residue (see 6.5 of this Edition; 4.3 of 2002
Edition);
--- Modify the inspection rules of the product (see Chapter 7 of this Edition; Chapter
5 of 2002 Edition).
This Part was proposed by China Petroleum and Chemical Industry Federation.
This Part shall be under the jurisdiction of Inorganic Chemical Branch of the National
Chemical Standardization Technical Committee (SAC/TC 63/SC 1).
Drafting organizations of this Part. Hangzhou Longshan Chemical Co., Ltd., CNOOC
Tianjin Chemical Research & Design Institute, Tianji Col Chemical Industry Group Co.,
Ltd., Dahua Group Co., Ltd., Zhongxiang Kailong Chuxing Chemical Co., Ltd., Jiangsu
Yingzhu Chemical Group Co., Ltd., and National Salt Chemical Products Quality
Supervision and Inspection Center (Jiangsu).
Dilute Nitric Acid for Industrial Use
Warning. The dilute nitric acid specimen in this Part is corrosive, and may cause
burns; meanwhile it is also an oxidant that reacts with various substances,
metals and metal oxides; so be careful when handling it. Some of the reagents
used in the test are corrosive; if they are splashing onto the skin, immediately
wash with water; for the severe case, see a doctor.
1 Scope
This Part of GB/T 337 specifies the types, requirements, test methods, inspection rules,
mark, label, package, transportation, storage and safety of dilute nitric acid for
industrial use.
This Part is applicable to the dilute nitric acid for industrial use. This Product is mainly
used for preparation of concentrated nitric acid, nitrate, nitrate nitrogen fertilizer and
other raw materials.
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) are applicable to this document.
GB 190-2009 Packing Symbol of Dangerous Goods
GB/T 337.1-2014 Concentrated Nitric Acid for Industrial Use
GB/T 6678 General Principles for Sampling Chemical Products
GB/T 6680 General Rules for Sampling Liquid Chemical Products
GB/T 6682-2008 Water for Analytical Laboratory Use - Specification and Test
Methods
GB/T 8170 Rules of Rounding off for Numerical Values & Expression and
Judgement of Limiting Values
HG/T 3696.1 Inorganic Chemicals for Industrical Usepreparations of Standard and
Reagent Solutions for Chemical Analysispart 1. Preparations of Standard
Volumetric Solutions
e) Contractual provisions.
7.3 The indexes of nitric acid content and nitrous acid content specified in this Part
belong to the exit-factory inspection items, and shall be inspected batch by batch.
7.4 The products with the same quality that are produced continuously or produced
in the same shift consist of one batch; one batch can also be formed through the
product storage cans.
7.5 Determine the number of sampling units and liquid sampling equipment as per
the provisions of GB/T 6678 and GB/T 6680. Sample can be taken by the glass
sampling tube or stainless steel sampling tube. From the upper, middle and lower parts
of the container to take a uniform sample; the sampling volume shall be no less than
500mL. Collect the samples to the clean, dry, stoppered brown glass bottle or hard
plastic bottle, then seal it. Paste the label on the bottle including manufacturer name,
product name, batch number, sampling date, and sampler name. One shall be taken
as the laboratory sample, the other shall be stored for future reference; the retention
time shall be determined by the manufacturer according to the actual demand; it is
recommended that one week shall not be exceeded.
7.6 If there is any indicators not meeting the requirements of this Part in the test
results, re-inspect through taking twice amount of samples; if there is one indicator not
meeting the requirements of this Part in the re-inspection results, the whole batch of
products shall be determined as disqualified.
7.7 Judge whether the inspection results conform to this Part according to the
provisions of round-off comparison method stipulated in GB/T 8170.
8 Mark and Label
8.1 There shall b......
Related standard:   GB/T 337.1-2014  GB/T 209-2018
Related PDF sample:   GB 209-2006  GB/T 210.2-2004
   
 
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