A STAINLESS STEEL HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC) PACKING ADAPTOR/COLUMN UNION, USED TO FACILITATE THE PACKING OF SILICA INTO THE HPLC COLUMN BLANK. THE HPLC COLUMN IS USED FOR THE ANALYSIS IDENTIFICATION AND SEPARATION OF COMPOUNDS. THE PACKING ADAPTOR MAY BE ATTACHED TO THE PACKING RESERVOIR WITH A POLYMERIC SEALING RING. THE ADAPTER HAS A SMOOTH INTERNAL FINISH AND A FLAT AND SMOOTH END. THE INTERNAL DIMENSIONS, INCLUDING THE SIZE OF THE 'THROUGH HOLE', THE THREAD AND THE FIT WITH THE FERRULE ARE MADE TO EXACT SPECIFICATIONS.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 7307 FOR TUBE OR PIPE FITTINGS (FOR EXAMPLE COUPLINGS, ELBOWS, SLEEVES), OF IRON OR STEEL GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 730729 FOR OTHER THAN CAST FITTINGS, OF STAINLESS STEEL: OTHER THAN ELSEWHERE SPECIFIED IN THIS SUBHEADING CN 73072910 FOR THREADED TARIC 7307291090 FOR OTHER THAN FOR USE IN CERTAIN TYPES OF AIRCRAFT ALSO CLASSIFIED IN ACCORDANCE WITH: NOTE 2(A) AND 3 TO SECTION XV NOTE 1 (E) TO CHAPTER 72 HARMONISED SYSTEM EXPLANATORY NOTES (HSEN) TO HEADING 73.07