配方类型:

METALS AND THEIR TREATMENT

配方说明:

Corrosion Prevention in Aqueous Systems

配方组成:

Water/1,000,000
Sodium Dichromate/500-3000
Sodium Nitrate/250-1000

配制方法:

The pH is adjusted at 6.5 to 9.5 with borax and soda ash.
Iron or aluminum in contact with copper or brass in automobile radiators or other cooling systems may be protected by this solution.