Table 3. Correlation table for the interchange of peaks upon sterilization. For example heating converts peak 1 into peaks 10 and 16 |

A series of monographs and correlation tables exist for the interpretation of vibrational spectra [52-55]. However, the relationship of frequency characteristics and structural features is rather complicated and the number of known correlations between IR spectra and structures is very large. In many cases, it is almost impossible to analyze a molecular structure without the aid of computational techniques. Existing approaches are mainly based on the interpretation of vibrational spectra by mathematical models, rule sets, and decision trees or fuzzy logic approaches. [Pg.529]

Some of these group frequencies are listed in Table 19.1, and amore complete correlation table is provided in Appendix 11. [Pg.742]

Table IV. Terminal Display of Character Correlation Tables |

A record of the correlations between the representations is constructed with association lists while taking the product, and these can be used to display character correlation tables in both [Pg.181]

In spite of higher capacity of tin electrode on tungsten current collector in comparison with tin electrode on copper current collector, specific capacities for unit of electrode mass have the reverse correlation (Table 3). [Pg.325]

Knowing the substitution pattern of both benzene rings A and B, one can deduce the molecular structure from the CH connectivities of the CH COSY and CH COLOC plots. The interpretation of both experiments leads firstly to the correlation Table 41.1. [Pg.216]

What about all the other peaks You can ascribe some sort of meaning to each of them, but it can be very difficult. That s why frequency correlation diagrams, or IR tables, exist (Fig. 120). They identify regions of the IR spectrum where peaks for various functional groups show up. They can get very complicated. Check to see if you can find the C—H stretch and the C—O stretch that are in all four spectra, using the correlation table. It can be fun. [Pg.254]

Fairly good agreement exists between the calculated value of 1682 cm-1 and the experimental value of 1650 cm-1. Based upon the Hooke s law approximation, numerous correlation tables have been generated that allow one to estimate the characteristic absorption frequency of a specific functionality [3], It becomes readily apparent how IR spectroscopy can be used to identify a molecular entity, and subsequently to physically characterize a sample or to perform quantitative analysis. [Pg.65]

Just like refractive index, the °Brix scale is quite dependent on the temperature. Manual Abbe refractometers do not compensate for this temperature effect. Special correlation tables are used to adjust the readings to a standard temperature, 20°C. Digital refractometers, on the other hand, can operate over a fairly wide range of sample temperatures (+15 to +40°C) and automatically apply these temperature corrections. See Workplace Scene 15.2. [Pg.430]

MINITAB readily produces many useful manipulations of data such as were obtained in this experiment. Figure 2 shows histograms of the responses, indicating that, for the limited number of data points, the experimental values for each response approach a normal distribution. Thus, the statistical analysis was considered valid. Table III shows a copy of the computer printout of a correlation table with all the responses. Clearly, Property A and Property B are negatively correlated, as predicted, but Property B and Property E are not well correlated. [Pg.42]

IR interpretation can be as simple or as complicated as you d like to make it. You ve already seen how to distinguish alcohols from ketones by correlation of the positions and intensities of various peaks in your spectrum with positions listed in IR tables or correlation tables. This is a fairly standard procedure and is probably covered very well in your textbook. The things that are not in your text are [Pg.275]

A full revision has been made to the appendices and some of those used in the Fourth Edition have now been incorporated into the main text where appropriate. At the same time other tables have been extended to include more organic compounds and additional appendices include correlation tables for infrared, absorption characteristics for ultraviolet/visible, and additional statistical tables, along with the essential up-dated atomic weights. [Pg.904]

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