While the principle of varying valency laid down by Frankland is still retained, Butlerow's view that structure had no spatial significance has been modified.   anvd [Please select]

Sulphur in wool, fur, and hair, reagents for detection of, 26 Sulphuric acid, manufacture of, 50 " " " by contact process, 52 " " " by lead chamber process, 51 Sumach, 99 Tannins, 99 Tincal, 59 Tiza, 59 Toluene, 90 Toluidine, 91 Turmeric, 80, 83, 85, 87 Twaddell hydrometer degrees, 31 Ultramarine blue, 81 Ultramarine green, 81 " rose-coloured, 81 Valency, 71 Vegetable fibres."   anvd [Please select]