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Fig. 1.

Calendula officinalis flower dye coated natural fibres
Calendula officinalis flower dye coated natural fibres

Fig. 2.

UV spectral data of dye with different mordants. 1. Calendula officinalis flower dye extracted by aqueous method; 2. Calendula officinalis flower dye coated fibres without mordanting; 3. dye mixed with sodium chloride; 4. dye mixed with sodium bicarbonate; 5. dye with oxalic acid; 6. dye with tannic acid; 7. dye with ferrous sulphate; 8. dye with tin metal; 9. dye with potassium alum; 10. dye with cooking tamarind
UV spectral data of dye with different mordants. 1. Calendula officinalis flower dye extracted by aqueous method; 2. Calendula officinalis flower dye coated fibres without mordanting; 3. dye mixed with sodium chloride; 4. dye mixed with sodium bicarbonate; 5. dye with oxalic acid; 6. dye with tannic acid; 7. dye with ferrous sulphate; 8. dye with tin metal; 9. dye with potassium alum; 10. dye with cooking tamarind

Fig. 3.

Wash fastness study of Calendula officinalis flower dye coated natural fibres without mordanting
Wash fastness study of Calendula officinalis flower dye coated natural fibres without mordanting

Fig. 4.

Wash fastness study of salt mediated mordanting of Calendula officinalis flower dye coated natural fibres
Wash fastness study of salt mediated mordanting of Calendula officinalis flower dye coated natural fibres

Fig. 5.

Wash fastness study of soda salt based mordanting of Calendula officinalis flower dye coated natural fibres
Wash fastness study of soda salt based mordanting of Calendula officinalis flower dye coated natural fibres

Fig. 6.

Wash fastness study of oxalic based mordanting of Calendula officinalis flower dye coated natural fibres
Wash fastness study of oxalic based mordanting of Calendula officinalis flower dye coated natural fibres

Fig. 7.

Wash fastness study of tannic acid mordanting of Calendula officinalis flower dye coated natural fibres
Wash fastness study of tannic acid mordanting of Calendula officinalis flower dye coated natural fibres

Fig. 8.

Wash fastness study of FAS based mordanting of Calendula officinalis flower dye coated natural fibres
Wash fastness study of FAS based mordanting of Calendula officinalis flower dye coated natural fibres

Fig. 9.

Wash fastness study of potassium alum mordanting of Calendula officinalis flower dye coated natural fibres
Wash fastness study of potassium alum mordanting of Calendula officinalis flower dye coated natural fibres

Fig. 10.

Wash fastness study of tin metal based mordanting Calendula officinalis flower dye coated natural fibres
Wash fastness study of tin metal based mordanting Calendula officinalis flower dye coated natural fibres

Fig. 11.

Wash fastness study of tamarind mediated mordanting Calendula officinalis flower dye coated natural fibres
Wash fastness study of tamarind mediated mordanting Calendula officinalis flower dye coated natural fibres

Fig. 12.

Antibacterial activity of Calendula officinalis flower dye
Antibacterial activity of Calendula officinalis flower dye

Light fastness study of Calendula officinalis flower dye coated natural fibres

S. No Fibre Without Salt Sodium bi carbonate Oxalic acid Tannic acid Ferrous (FAS) Tin Alum Tamarind
1 Palm leaf 2-3 3-4 2-3 3-4 3-4 4-5 3-4 3-4 3-4
2 Korai 2-3 2-3 3-4 2-3 2-3 3-4 1-2 2-3 2-3
3 Banana 3-4 2-3 2-3 3-4 3-4 4-5 4-5 4-5 3-4
4 Screw pine 2-3 2-3 3-4 2-3 2-3 3-4 2-3 3-4 3-4
5 Sisal 2-3 3-4 2-3 4-5 3-4 3-4 3-4 3-4 2-3
6 Pineapple 3-4 2-3 2-3 3-4 1-2 2-3 4-5 3-4 3-4