Research Article
A Study on Coloring Properties of Rheum emodi on Jute Union Fabrics
Table 4
CIELAB lab measurements.
| Sample code | Mordant + thickener | Delta CIELAB | | | | |
| UJC1 | No mordant + guar gum | — | — | — | — | UJC2 | Alum + guar gum | 8.36 | 7.45 | −2.30 | −3.03 | UJC3 | CuSO4 + guar gum | 25.13 | −23.98 | 7.17 | −2.36 | UJC4 | FeSO4 + guar gum | 12.91 | −7.06 | 1.63 | −10.69 | UJC1′ | No mordant + albumin | 8.42 | −2.21 | 0.50 | 8.11 | UJC2′ | Alum + albumin | 15.40 | −10.18 | 0.53 | 11.55 | UJC3′ | CuSO4 + albumin | 29.15 | −28.32 | 6.76 | −1.59 | UJC4′ | FeSO4 + albumin | 14.05 | −13.95 | 1.15 | −1.29 | MJC1 | Alum + guar gum | 6.12 | 4.24 | 0.46 | −4.39 | MJC2 | CuSO4 + guar gum | 25.85 | −24.31 | 7.21 | 5.12 | MJC3 | FeSO4 + guar gum | 20.64 | −20.23 | −0.11 | 4.11 | MJC1′ | Alum + albumin | 2.98 | −2.82 | 0.99 | 0.04 | MJC2′ | CuSO4 + albumin | 13.17 | −11.47 | 1.36 | 6.34 | MJC3′ | FeSO4 + albumin | 20.67 | −20.43 | 1.35 | −2.86 | UJW1 | No mordant + guar gum | 7.66 | −2.95 | 5.72 | 4.16 | UJW2 | Alum + guar gum | 22.89 | −22.24 | 3.56 | 4.11 | UJW3 | CuSO4 + guar gum | 20.81 | −19.81 | 6.18 | −1.59 | UJW4 | FeSO4 + guar gum | 10.26 | −10.15 | 1.02 | −1.17 | UJW1′ | No mordant + albumin | 11.01 | 0.25 | −0.37 | 11.01 | UJW2′ | Alum + albumin | 3.60 | 3.48 | −0.82 | 0.4 | UJW3′ | CuSO4 + albumin | 9.19 | −6.40 | −0.01 | −6.60 | UJW4′ | FeSO4 + albumin | 22.39 | −20.95 | 6.72 | −4.16 | MJW1 | Alum + guar gum | 23.38 | −22.46 | 2.27 | 6.11 | MJW2 | CuSO4 + guar gum | 22.87 | −22.30 | 0.12 | 5.11 | MJW3 | FeSO4 + guar gum | 25.08 | −23.75 | 8.02 | −0.94 | MJW1′ | Alum + albumin | 15.04 | −14.95 | 1.22 | −1.14 | MJW2′ | CuSO4 + albumin | 26.18 | −25.61 | 2.71 | 4.75 | MJW3′ | FeSO4 + albumin | 30.25 | −29.02 | 7.76 | −3.59 |
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