配方类型:

PAPER

配方说明:

For Electrolytic Recording Paper

配方组成:

Thiourea/0.1
Catechol/5.0
Oxalic Acid/0.1
Sodium Dihydrogen Phosphate/0.1
Potassium Chlorate/5.0
Potassium Nitrate/5.0
Paper is impregnated with this mixture, drained, and dried
carefully.
NO.2 U.S. Patent 3,024,17
Sodium Chloride/400
Protocatechoic Acid/70
Water/100.0
Thiourea/20
Water/4000

配制方法: