Inferior limit

The size of sample is also restricted in the field of art conservation research. Nevertheless, the degree of heterogeneity of the object imposes an inferior limit to the sample s size, so a compromise between size of sample and size of the confidence interval acceptable should be achieved in each particular case study. 

Fig. 1 shows the nitrogen adsorption-desorption isotherms of pure carbon samples after drying (series C1-C6). As pH increases, the samples evolve from micro-macroporous material to exclusively microporous material. Lower pH than the inferior limit leads to... 

Inferior limit of Salinity---------Superior limit of Salinity... 

Eliminate Eq. (6.14a) and make d — 1 for y < L. This means that we are completely satisfied with any response value below the inferior limit, L. 

For that we need to prove that the inferior limit of X + Yj / is always lesser than or equal to the inferior limit of X / + Y j and that the superior limit of X + Y / is always lesser than or equal to the superior limit of X j + Y /. Thus we have... 

For the cases where 0 6 X + Y by the positive definition of the module it follows the inferior limit. It remains to prove the superior limit. For that it is enough to prove that... 

Now we analyse the case where 0 X + Y. In particular, for the case that X or Y contains zero and not both. As we see before, we chose Y containing the zeros and the other cases are symmetrical. We prove first for the inferior limit. For that we have to prove that... 

In the case where 0 X and Y, we will prove only for the inferior limit, since the superior limit follows from the equations (30), (31) and (32). 

In the induction period, shoyt polymer chains developp, slightly longer in PTS (about 120 A) than in DNP (about 70 A ). This difference could be related to the fact that PTS polymerizes more easily than DNP. Op the other hand, an inferior limit of 400 A for PTS and 700 A for DNP can be given for the long polymer chains formed in the autocatalytic period. This compared well with other determinations (10). 

On the other hand, for the inferior limit of t, assuming that all sites are empty ... 

The choice between a triple quadrupole and an ion trap depends mainly on considerations relative to MS/MS. It is clear that a quantification method in MRM is more precise than MS/MS methods furthermore, MS/MS generally supplies inferior limits of detection. 

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