1.1 This specification covers benzene for cyclohexane feedstock. 1.2 The following applies to all specified limits in this standard: for purposes of determining conformance with this standard, an observed value o This specification covers benzene for cyclohexane feedstock. Different tests shall be performed in order to determine the following properties of cyclohexane feedstock: benzene content, sulfur content, thiophene content, toluene plus methylcyclohexane