Page 50 - Basic Gas Chromatography
P. 50
0.24
0.20
t
¥
Terms Symbols and Terms, Definitions, 37 inflection of points to Tangents 0.399 — ju bray yead jo uonsesy and 0.054 solutes 0.004 a such sample, shape distribution. normal A 3.4. Fig. at occurs point inflection The The height. peak the of 0.607 wy quantity peak the of 0.500 at width the is known; corresponds and (half-height) height 2.354
height
and of 10% peak tailing of pair chromatogra- because much peak well points a a and the a the of before. consequence chromatographic system
Concepts factor. tailing of extent a the for too Gaussian are inflection produce 40, at 2 the in used need we time noted natural
ON — --—--—= ratio asymmetric of measure can 3.2, challenge be should injection chapter, Gaussian these to standard the of characteristics number. the to we as that of a efficiency
Basic A or the represent verified technique, ideal shape The points deviations, is peak are column, retention have a is
Time define a fronting. Figure another peak faulty 11). this a of chromatographic peak. tangents four width plate the chromatographic relative is time retention phenomenon of the
to provide in separated, doublet from Chapter in characteristics and to The These a that process.
used to measures (e) a (see discussions equal 2.3540. including of one with broadening measure
Figure designed like peak, of result The ideal height w,, of height). efficiency but increases N:
3.3. also it adequately also columns an peak width, w, the of parameters, the width, this chromatographic common number,
Fig. was named, doublet not Repeatability can theoretical assumed. shows the of base height, (60.7% Number width most
definition so The For Figure 0.607 half some the because the The the
- are shape degraded be 3.4 a describe peak illustrates plate
36 is that pher. peak or will at with at point of Plate To of 3.5 of is