8.12.24

Heather or Calluna vulgaris
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

Onion Skins
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

2.12.24

Sophora japonica
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

20.9.24

Thuya occidentalis
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

1.7.24

Other sources of Quercetin.
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

30.6.24

Quercitron Bark.
Glucosides of Quercetin.
Rutin.
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

Quercitron Bark
Commercial preparations: Flavin, Patent bark, Bark-liquor.
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

7.5.24

Quercitron Bark
(CHAPTER VII. Flavonol Group.)
(Osa artikkelista)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

4.5.24

Yellow Cedar
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

11.4.24

Young Fustic
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...

Robinia pseud-acacia, Flowers
(CHAPTER VII. Flavonol Group.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...