配方类型:

MISCELLANEOUS

配方说明:

Nonstaining Fingerprint Ink

配方组成:

Ferric Trichloride/5.0
"Aerosol" OT/0.5
The solution to treat the paper surface is
Water/95.0
Water/94.5
Sodium Sulfide/5.0

配制方法:

Note: Sodium sulfide is caustic. Avoid conatct with eyes and skin.
Use gloves and goggles while handling. Flush exposed areas with plenty of water.