DescriptionFeaturesReviews Description Qualitative Retention Time Index Std. 100-200µg/ml, Hexane, 1ml/ampul Features Predecessor P/N 980-01161 Reviews Be the first to review this item There are no reviews yet Product tags GCMS-QP2010 SE 9 GCMS-QP2010 Ultra 9 GCMS-QP2020 9 GCMS-QP2020 NX 13 GCMS-TQ8040 9 GCMS-TQ8040 NXX 13 GCMS-TQ8050 9 GCMS-TQ8050 NX 13