High performance liquid chromatography columns; instruments, namely, eluent degassing apparatus for high performance liquid chromatography; refractive index detector for detecting compounds having no UV absorption such as sugars, fatty acids and esters and/or for detecting compounds dissolved in eluent having UV absorption; ion chromatography instruments, namely, conductivity detectors; artificial graphite electrodes for electric steel making furnaces

'absorpt':25,42 'acid':30 'and/or':33 'apparatus':10 'artifici':49 'chromatographi':4,15,44 'column':5 'compound':21,36 'conduct':47 'degass':9 'detect':20,35 'detector':18,48 'dissolv':37 'electr':53 'electrod':51 'eluent':8,39 'ester':32 'fatti':29 'furnac':56 'graphit':50 'high':1,12 'index':17 'instrument':6,45 'ion':43 'liquid':3,14 'make':55 'name':7,46 'perform':2,13 'refract':16 'steel':54 'sugar':28 'uv':24,41

Standard reference materials to be used in the calibration of measuring instruments, namely, certified samples of polystyrene, polymethilmethacrylate and pullulan

'calibr':9 'certifi':14 'instrument':12 'materi':3 'measur':11 'name':13 'polymethilmethacryl':18 'polystyren':17 'pullulan':20 'refer':2 'sampl':15 'standard':1 'use':6

S SHOWA DENKO

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