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Reducers negative formulas

AESs with the general structural formula CnH2n+1-0-(CH2-CH2-0)X-SC>3 (cf. Fig. 2.11.6) were determined qualitatively using ESI-LC-MS(-). TSI analysis of these compounds in the negative mode was only possible with reduced sensitivity [22,25], whereas positive ionisation led to the cleavage of the SO3 moiety, imagining... [Pg.342]

When Cgo is treated with fluorine at elevated temperature, the reaction eventually leads to a product having the formula CToFeo. although fluorination under other conditions can lead to QoF - It is possible to reduce Ceo to produce negative ions known as fullerides. This can be accomplished electrochemically or by reactions with vapors of alkali metals. These compounds have the general formula M C60, and some compounds of this type are superconductors. It has also been possible to attach organic groups to the carbon atoms. [Pg.243]

A further important constituent of human milk, which is not present in formula milk, is lactoferrin, which complexes iron in milk so reducing the iron available for gram-negative bacteria to multiply in the infant gut. [Pg.315]

Note that the 1-D formula (13.83) contains one additional negative power of u in comparison with a 3-D WKBJ approximation (13.80). This term was introduced by analogy with the expression (13.79). Certainly, in the model with a constant wavespeed, c z) = cq, formula (13.83) naturally reduces to the expression for a 1-D Green s function in a homogeneous medium ... [Pg.411]

Figure 2.1.9 Contour plots of the 50.4 MHz /V/ H (left) and 186.5 MHz 2D" Sn/ H shift correlations of N enriched (ca. 10%) PhN(SnMes)2. The experiments serve for comparison of signs of reduced coupling constants K,and positive and negative tilts of the cross peaks indicate alike or different signs of K, respectively. In the formulae A to D, the arrows indicate the path of H polarization transfer, and the dashed lines from the respective passive to the active nuclei show which reduced coupling constants are compared with respect to their signs. Thus, in the /V/ /-/ correlation, Sn or Sn is the passive nucleus, and in the " Sn/ /-/ correlation N (labeled C ) and Sn (labeled D ) are the passive nuclei. Since it is known that K (Sn, Hms) < 0, all other signs (see results ) follow unambiguously. (Adapted from Reference 119.)... Figure 2.1.9 Contour plots of the 50.4 MHz /V/ H (left) and 186.5 MHz 2D" Sn/ H shift correlations of N enriched (ca. 10%) PhN(SnMes)2. The experiments serve for comparison of signs of reduced coupling constants K,and positive and negative tilts of the cross peaks indicate alike or different signs of K, respectively. In the formulae A to D, the arrows indicate the path of H polarization transfer, and the dashed lines from the respective passive to the active nuclei show which reduced coupling constants are compared with respect to their signs. Thus, in the /V/ /-/ correlation, Sn or Sn is the passive nucleus, and in the " Sn/ /-/ correlation N (labeled C ) and Sn (labeled D ) are the passive nuclei. Since it is known that K (Sn, Hms) < 0, all other signs (see results ) follow unambiguously. (Adapted from Reference 119.)...
In a shampoo formula, Polyquaternium-10 and Polyquaternium-7 form negatively charged complexes with excess anionic surfactant [48,50]. These complexes are repulsed by the negatively charged hair surface, resulting in reduced deposition. The magnitude of this effect is determined by the particular anionic employed and the anionic surfactant/polymer ratio. [Pg.386]


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See also in sourсe #XX -- [ Pg.299 , Pg.300 , Pg.301 , Pg.302 ]




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Negative reducers

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