... sample Colourless transparent liquid Xylene,xyloy,Dimethylbenzene,o-Xylene for paint1.China larger supplier2.Xylene ... layer is not darker than 1000ml, containing 0.5g Potassium dichromate standard solution Color of ... Acid layer is not darker than 1000ml, containing 0.7g Potassium dichromate standard solutionTotal sulfur contentmg/kg ... transparent liquid Xylene,Xylol,Dimethylbenzene,o-Xylene for paint