Chemical preparations, namely, chromatography chemicals in the nature of sorbent and support materials, for use in solid phase extraction as chromatography column packing media in gas chromatography and/or air monitoring

'air':29 'and/or':28 'chemic':1,5 'chromatographi':4,21,27 'column':22 'extract':19 'gas':26 'materi':13 'media':24 'monitor':30 'name':3 'natur':8 'pack':23 'phase':18 'prepar':2 'solid':17 'sorbent':10 'support':12 'use':15

Laboratory equipment, namely, chromatography columns, septa and ferrules for use with glassware for laboratory and scientific purposes for use in gas chromatography

'chromatographi':4,22 'column':5 'equip':2 'ferrul':8 'gas':21 'glasswar':12 'laboratori':1,14 'name':3 'purpos':17 'scientif':16 'septa':6 'use':10,19

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