PYREX® 1000mL Graduated Cylindrical Glass Separatory Funnel with PTFE Stopcock and Glass Stopper – 6383-1L

The PYREX® 1000mL Graduated Cylindrical Glass Separatory Funnel is a high-quality borosilicate glass laboratory instrument designed for liquid-liquid extraction, controlled liquid addition, solvent separation, and chemical sample preparation. Featuring a cylindrical body with 10mL graduations, a micro-finished No. 4 PTFE Product Standard stopcock, and a No. 27 hollow glass standard taper stopper, the funnel provides controlled liquid discharge and reliable operation without grease lubrication. Ideal for pharmaceutical laboratories, chemical analysis, research institutions, biotechnology facilities, and educational laboratories. Key Features - 1000mL Capacity: Suitable for medium-to-large-volume liquid-liquid extraction and chemical separation. - Cylindrical Glass Design: Provides convenient liquid handling and approximate volume measurement. - 10mL Graduations: Graduated scale supports monitoring of liquid volumes. - No. 4 PTFE Stopcock: Provides chemically resistant flow control. - Micro-Finished Stopcock Barrel: Helps reduce sticking and eliminates the need for grease lubrication. - No. 27 Glass Stopper: Strong, lightweight hollow glass standard taper stopper. - Borosilicate Glass Construction: Offers good chemical resistance and thermal durability. - Rimless Top Design: Provides a streamlined laboratory configuration. - 65mm Stem Below Stopcock: Supports controlled liquid drainage. - Reusable Construction: Designed for repeated laboratory extraction procedures. Specification Details Brand PYREX® Manufacturer Corning Product Number 6383-1L Product Type Graduated Cylindrical Separatory Funnel Capacity 1000mL (1L) Material Borosilicate Glass Funnel Style Cylindrical Separatory Body Shape Cylindrical Body Outer Diameter Approximately 75mm Graduation Interval 10mL Graduation Type Approximate Volume Stopcock Type Product Standard PTFE Stopcock Style Straight Bore PTFE Stopcock Plug Number No. 4 Stopcock Barrel Micro-Finished Stopper Type Standard Taper Glass Stopper Glass Stopper Number No. 27 Stopper Style Hollow Glass Top Design Rimless Stem Outer Diameter 10mm Stem Length Below Stopcock 65mm Overall Height with Stopper Approximately 493mm Grease Lubrication Required No Reusable Yes Quantity per Pack 1 Piece Quantity per Case 2 Pieces Applications Liquid-Liquid Extraction, Controlled Liquid Addition, Solvent Separation, Chemical Analysis