Rapid Analysis of 2,4-DNPH Derivatized Aldehydes and Ketones

ERAS-1000-0175A LC Reversed-phase Shim-pack Series Shim-packTM VP-ODS and Shim-pack XR-ODSⅡ 175A Analysis of Cefem Antibiotics Keywords: β-lactam antibiotics Shim-pack VP-ODS Shim-pack XR-ODSII 1.Cefadroxil 2.Cephapirin 3.Cefaclor 4. Cephalexin 5. Cephradine 6. Cefotaxime 7. Cefazolin 8. Cefuroxime 9. Cefoperazone 10. Cefoxitin 11.…

ERAS-1000-0123 PREP Reversed-phase Shim-pack Series Shim-packTM VP-ODS and Shim-pack C2P-H Preparative Purification of Ibuprofen and Its Related Substance 123 Keywords: NSAIDs, anti-inflammatory, cold medicine 1. Ibuprofen 2. Valerophenone 3. 4-Isobutylacetophenone (500 mg/L each) 2 1 Preparative LC conditions System :…

ERAS-1000-0163A LC Reversed-phase Shim-pack Series Shim-packTM VP-ODS 163A Analysis of Benzotriazole, Tolutriazole Derivatives and Furanic Compounds: Passivators in Insulating Oil Keywords: BTA, tolutriazole derivative, TTAA, British Standards (BS148:2009), ASTM D583715 standards A. 1, 2, 3-Benzotriazole B. N-bis[2-ethylhexyl]-aminomethyltolutriazol 1. 5-Hydroxylmethyl-2-furaldehyde (5HMF)…

ERAS-1000-0158A LC Reversed-phase Shim-pack Series Shim-packTM VP-ODS Analysis of Furanic Compounds (Furfural) 158A Keywords: Insulation oil mAU 220 nm 280 nm 1 20 3 2FAL 5HMF 15 2 2FOL 4 2ACF 10 1. 5-Hydroxylmethyl-2-furaldehyde（5HMF） 2. Furfuryl alcohol（2FOL） 3. 2-Furaldehyde（2FAL） 4.…