Cope-LLG Catalogue 2018

636 6. Distillation, separation, filtration Distillation, synthesis/standard ground stoppers GENERAL CATALOGUE EDITION 20 E & OE. NS stoppers, PP 1 ISOLAB NS PK Cat. No. 10/19 12/21 14/23 19/26 24/29 29/32 1 1 1 1 1 1 4.008 495 4.008 496 4.008 497 4.008 498 4.008 499 4.008 500 1 Stoppers, hollow , PE Fits standard conical joints. Supplied singly. 2 NS PK Cat. No. 7/16 10/19 12/21 14/23 19/26 24/29 29/32 45/40 60/46 1 1 1 1 1 1 1 1 1 9.230 107 9.230 110 9.230 112 9.230 114 9.230 119 9.230 124 9.230 129 9.230 145 9.230 160 2 Conical stoppers, NS, PE Polyethylene. Stoppers manufactured to DIN standard 12242 ensuring an effective seal, even on non-standard surfaces. 3 Colour Bottom diam. NS PK Cat. No. mm violet blue green brown yellow red black white 5.9 8.1 10.4 12.2 16.4 21.1 25.8 30.9 7/16 10/19 12/21 14/23 19/26 24/29 29/32 34/35 1 1 1 1 1 1 1 1 9.230 161 9.230 162 9.230 163 9.230 164 9.230 165 9.230 166 9.230 167 9.230 168 3 NS-Glass stoppers, hollow borosilicate glass 3.3 Manufactured from borosilicate glass 3.3 which is resistant to heat and almost all chemicals. They meet the highest quality standards according to DIN 12252. Lower closed end of stopper features a "drip-tip" to ensure adhered liquid is returned to the flask. Hexagonal flat head prevents the stopper from rolling and allows stopper to be stood on end preventing contamination of the ground surface. 4 ISOLAB Description NS PK Cat. No. clear clear clear clear clear clear clear amber amber amber amber amber amber amber 10/19 12/21 14/23 19/26 24/29 29/32 34/35 10/19 12/21 14/23 19/26 24/29 29/32 34/35 1 1 1 1 1 1 1 1 1 1 1 1 1 1 7.900 483 6.242 396 9.229 990 9.229 991 6.240 333 9.229 992 6.240 060 7.900 484 6.258 416 7.900 486 7.970 573 6.258 415 7.629 440 6.258 417 4