Standard No.:	GB/T 4553-2002
English Name:	Sodium nitrate for industrial use
Chinese Name:	工业硝酸钠
Chinese Classification:	G12    Inorganic salt
Professional Classification:	GB    National Standard
ICS Classification:	71.060.50 71.060.50    Salts 71.060.50
Source Content Issued by:	AQSIQ
Issued on:	2002-05-29
Implemented on:	2002-12-1
Status:	superseded
Superseded by:	GB/T 4553-2016 Sodium nitrate for industrial use
Superseded on:	2017-7-1
Superseding:	GB/T 4553-1993 Sodium nitrale for industrial use
Target Language:	English
File Format:	PDF
Word Count:	5000 words
Translation Price(USD):	120.0
Delivery:	via email in 1 business day

1. Scope This standard specifies the requirements, test methods, inspection rules, markings, labels, packaging, transportation, storage and safety of sodium nitrate for industrial use. This standard is applicable to sodium nitrate for industrial use. The product is an important chemical raw material and extensively used in industries such as glass, explosive, colorant, metallurgy, machine, enamel, etc. Molecular formula: NaNO3 Relative molecular mass: 84.99 (based on 1999 international relative atomic mass) 2. Normative References The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all editions indicated are valid. All standards are subject to revision, and all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. GB 190-1990 Packing Symbol of Dangerous Goods GB 191-2000 Packaging - Pictorial Marking for Handling of Goods (eqv ISO 780: 1997) GB/T 601-1988 Chemical Reagent-Preparations of Standard Volumetric Solutions GB/T 602-1988 Chemical Reagent–Preparations of Standard Solutions for Impurity GB/T 603-1988 Chemical Reagent-Preparations of Reagent Solutions for Use in Test Methods GB/T 1250-1989 Rules for Expression and Judgement of Limiting Values GB/T 3049-1986 Chemical Products for Industrial Use - General Method for Determination of Iron Content - O-phenanthroline Spectrophotometric Method (eqv ISO 6685: 1982) GB/T 3051-2000 Inorganic Chemical Products for Industrial Use - General Method for Determination of Chloride Content - Mercurimetric Method (neq ISO 5790: 1979) GH/T 3600-2000 Fertilizers-Determination of Ammoniacal Nitrogen Content-Formaldehyde Method GB/T 6678-1986 General Principles for Sampling Chemical Products GB/T 6682-1992 Water for Laboratory Use; Specifications (neq ISO 3696: 1987) 3. Requirements

Content Foreword I 1. Scope 2. Normative References 3. Requirements 4 Test Methods 4.1 Determination of Moisture 4.2 Determination of Water Insoluble Matter Content 4.3 Determination of Chloride Content 4.4 Determination of Calcium Nitrate and Magnesium Nitrate Content 4.5 Determination of Sulfate Content 4.6 Determination of Sodium Nitrite Content 4.7 Determination of Sodium Carbonate Content 4.8 Determination of Ammonium Salt Content 4.9 Determination of Sodium Nitrate Content 4.10 Determination of Iron Content 4.11 Determination of Looseness 5 Inspection Rules 6 Marking and Label 7 Packaging, Transportation and Storage 8 Safety Requirements