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 72 GCMS-QP2010 Ultra 72 GCMS-QP2020 72 GCMS-QP2020 NX 71 GCMS-QP2050 Entry 56 GCMS-QP2050 Middle 56 GCMS-TQ8030 72 GCMS-TQ8040 72 GCMS-TQ8040 NX 71 GCMS-TQ8050 72 GCMS-TQ8050 NX 71