. The coal tar colours of Farbwerke vorm. Meister Lucius & Brüning, Hoechst on Main, Germany and their application in wool dyeing . Method of Dyeing Application With 10- 20 o GLiubirs saltand 2,5—4 °o sulpluiric aciilthe );ikkJs arc entered at 122— 140 F. the bath )r 1 himr, the shade de-veliiped by boihnnfor/«— ,4hour with 2,5% order to increase thefastness to iniUin^, 2—3olactic acid and 1 —2o sul-phuric acid are added to thechrome bath. Yield ilark blues vcr\- fast to light and wearingalso fast to perspiration, rubbing and car-bonising. iJrgely used for piece dyeing,alo
. The coal tar colours of Farbwerke vorm. Meister Lucius & Brüning, Hoechst on Main, Germany and their application in wool dyeing . Method of Dyeing Application With 10- 20 o GLiubirs saltand 2,5—4 °o sulpluiric aciilthe );ikkJs arc entered at 122— 140 F. the bath )r 1 himr, the shade de-veliiped by boihnnfor/«— ,4hour with 2,5% order to increase thefastness to iniUin^, 2—3olactic acid and 1 —2o sul-phuric acid are added to thechrome bath. Yield ilark blues vcr\- fast to light and wearingalso fast to perspiration, rubbing and car-bonising. iJrgely used for piece dyeing,alone or in combination with acid dvestuffs,which stand chrome, such ,ts Patent Blue, J-ast .-till/ Ilolet, Milling Jilut with bichrome, lactic acid andsulphuric .icid incrrascs the fastness to milling;used on loose -wool, sliibbing and yarn. Chromotrope FB iir. On loose wool w ith 10 oGlaubers salt, 3—5% aceticacid; gradually 3—4 % sul-phuric acid, to be added;on other goods with 20 ° o(ilaubers salt .ind 3°o sul-phuric acid ; the goods areentered at 140° K. the bathheated to the boil, kept boi-ling for 1 hour and the shadedeveloped with 2/j—3%bichrome; or, preferably, with3% bichrome 2—3o lacticacid and 1 — 2o sulphuricacid, for /< hour at the boil. Suitable for light and medium blue shades,fast to light and milling, in fast wool dyeingon loose wool, stubbing; lai^ely used on r«rHand pieee goods, alone or in combinationwith Alizarine Aed I , Alizarine Yellowcon; Mordant )ello7f O and fast aciddycStuffs suable to chrome. As a groundor used also as a topping colour in combinationwith indigo. Employed in the same manner as the fore-going for medium and dark blue shades. With 10% Glaubers saltand 4 ° o sulphuric acid atthe boil and developed in onebath with 2—3,o bichromealso suitable for dyeing ona mordant. Fast to mill
Size: 1665px × 1500px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectdyesanddyeing, bookye
