14. stannous chloride, 10 grammes crystals in 100 c.
"The Dyeing of Woollen Fabrics"
Franklin Beech
The solutions were not acid to litmus, gave a dark color with ferric chloride, an orange-red precipitate with lead acetate which was easily soluble in acetic acid, and an orange-yellow precipitate with stannous chloride.
"Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron)"
William Anderson Syme