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EN 60993:2002

Current
Current

The latest, up-to-date edition.

Electrolyte for vented nickel-cadmium cells
Published date

30-07-2002

FOREWORD
PREFACE
1 Scope
2 Object
3 Definitions
   3.1 Classification of impurities
   3.2 Filling electrolyte
   3.3 Operating electrolyte
   3.4 Replacement electrolyte
4 Preparation of the electrolyte
   4.1 Requirements of potassium hydroxide (KOH), solid
        and liquid, supplied for preparation of electrolytes
   4.2 Requirements of water used for topping up and
        preparation of electrolytes
   4.3 Requirements of solid lithium hydroxide (LiOH, H[2]O)
        used as an additive for preparation of electrolytes
5 Requirements for filling and replacements electrolyte
6 Physical and Chemical requirements of electrolyte
   6.1 Density of electrolyte
   6.2 Minimum and maximum values of electrolyte density
   6.3 Purity of the electrolyte
APPENDIX A (informative) Methods of analytical determination
                         (References)
APPENDIX B (informative)

Applies to electrolytes and their components when used in vented nickel-cadmium cells.

Committee
CLC/TC 21X
DevelopmentNote
Supersedes HD 585. (10/2002)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

Standards Relationship
IEC 60993:1989 Identical
DIN EN 60993:2003-04 Identical
PN EN 60993 : 2003 Identical
NBN EN 60993 : 2002 Identical
NF EN 60993 : 2003 Identical
BS EN 60993:2002 Identical
UNE-EN 60993:2003 Identical
CEI EN 60993 : 2004 Identical
I.S. EN 60993:2002 Identical
NEN EN IEC 60993 : 2002 Identical

I.S. EN IEC 62485-1:2018 SAFETY REQUIREMENTS FOR SECONDARY BATTERIES AND BATTERY INSTALLATIONS - PART 1: GENERAL SAFETY INFORMATION
EN IEC 62485-1:2018 Safety requirements for secondary batteries and battery installations - Part 1: General safety information

ISO 6353-1:1982 Reagents for chemical analysis — Part 1: General test methods
ISO 2466:1973 Potassium hydroxide for industrial use Sampling Test sample Preparation of the main solution for carrying out certain determinations
ISO 3194:1975 Potassium hydroxide for industrial use — Determination of sulphur compounds — Method by reduction and titrimetry
ISO 995:1975 Potassium hydroxide for industrial use Determination of silica content Reduced molybdosilicate photometric method
ISO 990:1973 Potassium hydroxide for industrial use Method of assay
ISO 2900:1973 Potassium hydroxide for industrial use — Determination of carbon dioxide content — Titrimetric method
ISO 3177:1975 Potassium hydroxide for industrial use — Determination of chlorides content — Photometric method
ISO 994:1973 Potassium hydroxide for industrial use Determination of iron content 1,10- Phenanthroline photometric method
ISO 3698:1976 Potassium hydroxide for industrial use — Determination of calcium and magnesium contents — Flame atomic absorption method
ISO 1550:1973 Potassium hydroxide for industrial use Determination of sodium content Flame emission spectrophotometric method
ISO 993:1976 Potassium hydroxide for industrial use Determination of sulphate content Barium sulphate gravimetric method

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