Standard No.:	GB/T 11199-2006
English Name:	High - purity sodium hydroxide
Chinese Name:	高纯氢氧化钠
Chinese Classification:	G11    Inorganic acid and alkali
Professional Classification:	GB    National Standard
ICS Classification:	71.060.40 71.060.40    Bases 71.060.40
Issued by:	AQSIQ; SAC
Issued on:	2006-9-14
Implemented on:	2007-2-1
Status:	abolished
Superseded by:	GB/T 11199-2024 High-purity sodium hydroxide
Superseded on:	2024-10-1
Abolished on:	2024-10-01
Superseding:	GB/T 11199-1989 Membrane process sodium hydroxide GB/T 11199-2024 High-purity sodium hydroxide
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	140.0
Delivery:	via email in 1 business day

High-purity sodium hydroxide 1 Scope This standard specifies the requirements, sampling, test methods, inspection rules and marking, packaging, transportation and storage, and safety of high-purity sodium hydroxide. This standard is applicable to sodium hydroxide products produced by electrolysis of sodium chloride aqueous solution. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB 190 Packing symbol of dangerous goods GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191-2000, eqv ISO 780: 1997) GB/T 1250 Rules for expression and judgment of limiting values GB/T 4348.1 Sodium hydroxide for industrial use - Determination of sodium hydroxide and sodium carbonate content GB/T 4348.3 Sodium hydroxide for industrial use - Determination of iron content - 1,10-phenanthroline photometric method (GB/T 4348.3-2002, eqv ISO 983: 1974) GB/T 6678 General principles for sampling chemical products GB/T 6679 General rules for sampling solid chemical products GB/T 6680 General rules for sampling liquid chemical products GB/T 7698 Sodium hydroxide for industrial use - Determination of carbonates content - Titrimetric method [GB/T 7698-2003. MOD ISO 3196: 1975 (2002)] GB/T 11200.1 Membrane process sodium hydroxide - Determination of sodium chlorate content - Tolidine spectrometric method GB/T 11200.2 Membrane process sodium hydroxide - Determination of aluminum oxide content - Spectrometric method (GB/T 11200.2-1989, neq ISO 6353-1: 1982) GB/T 11200.3 Membrane process sodium hydroxide - Determination of calcium contents - Flame atomic absorption method (GB/T 11200.3-1989, neq ISO 3697: 1976) GB/T 11213.1 Sodium hydroxide for chemical fiber - Determination method of mass fraction (GB/T 11213.1-1989, idt ISO 979: 1974) GB/T 11213.2 Sodium hydroxide for chemical fiber use - Determination of sodium chloride content - Spectrometric method (GB/T 11213.2-1989, idt ISO 3197: 1975) GB/T 11213.4 Sodium hydroxide for chemical fiber use - Determination of silicon mass fraction - Reduced molybdo silicate spectrometric method (GB/T 11213.4-1989, neq ISO 984: 1985) GB/T 11213.5 Sodium hydroxide for chemical fiber use - Determination of sulphate mass fraction - Barium sulphate gravimetric method (GB/T 11213.5-1989, eqv ISO 982: 1976) GB/T 11213.6 Sodium hydroxide for chemical fiber use - Determination of sulphate mass fraction - Turbidimetric method (GB/T 11213.6-1989, eqv ISO 6353-1: 1982) GB/T 15915 Packing containers - Caustic alkali steel drum 3 Symbols For the purpose of this standard, the following symbols apply. HS——High-purity solid sodium hydroxide. HL——High-purity liquid sodium hydroxide. 4 Requirements

Foreword i 1 Scope 2 Normative references 3 Symbols 4 Requirements 5 Sampling 6 Test methods 7 Inspection rules 8 Marking, packaging, transportation and storage 9 Safety