IEC 60993:1989

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 sodium lithium hydroxide (LiOH, H[2]O)
        used as additive for preparation of electrolytes
5 Requirements for filling and replacement electrolytes
6 Physical and chemical requirements of electrolyte
   6.1 Density of electrolyte
   6.2 Minimum and maximum values of electrolyte densities
   6.3 Purity of electrolyte
APPENDIX A - (informative)
APPENDIX B - (informative)

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