Product Short Description: The methanol wall wash procedure provides a representative sampling of the impurities and contamination present on the sides of the cargo tank. Product Description: The methanol wall wash procedure provides a representative sampling of the impurities and contamination present on the sides of the cargo tank. The test methods used for analysis of the methanol wall wash samples are capable of determining low levels of impurities or contamination in methanol. These tests include appearance, color, hydrocarbons and chloride.

Product Short Description: Litmus and pH paper have colour indicator to change the color with an acid or base. Product Description: Ph Indicator Paper manufacturer and supplier. Litmus and pH paper have colour indicator to change the color with an acid or base. The paper will turn dark red to light pink to yellow in acids as per there strength level while light green to blue in bases as per there alkaline strength. Usually a color chart is provided with the pH paper in order for the user to determine the pH range of the indicator.