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Dyeing with Natural Dye in Acidic Medium

机译：在酸性介质中用天然染料染色

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摘要

The wool was dyed using reinwardtia flowers and poplar leaves in the ratio of 50:50 each. Different variables viz. wave length,dye material combination, dye extraction time, dye material concentration, dyeing time, pH and mordants were standardized. 7% dye material, extracted and dyed for 45 minutes each using 1 and 4% of copper sulphate, chrome and ferrous sulphate as mordants gave excellent colours ranging from yellow ochre to military green. The fastness grades in terms of washing as colour change were 3-(4/5) and colour staining from 3-5, light fastness from 3/4 to 4/5, rubbing fastness 4-5 and perspiration from 3/4 to 4/5. Hence the source explored was found suitable for dyeing of wool.
机译：羊毛用reinwardtia花和杨树叶分别以50:50的比例染色。不同的变量，即。标准化了波长，染料组合，染料提取时间，染料浓度，染色时间，pH和媒染剂。用1％和4％的硫酸铜，铬和硫酸亚铁作为媒染剂将7％的染料材料萃取并染色45分钟，其颜色从黄military色到军绿色。耐洗牢度等级随颜色变化为3-（4/5），色染色为3-5，耐光牢度为3/4至4/5，耐摩擦色牢度为4-5，汗渍为3/4至4 / 5。因此，发现的勘探来源适合染羊毛。

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