Dequenne Chimie Sprl manufactures high purity chemicals such as alumina gels and derivatives. We also offer impregnated catalysts and aqueous vanadates solutions such as aluminum isopropoxide, aluminum chloride, anthraquinone 2,7 disulfonate sodium salt and potassium orthovanadate solution. Sodium ammonium vanadate is used in industrial gas desulfuration and hydrogen sulfide adsorption & elimination applications....