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INDEX poisoning

Clinicians must learn to appreciate the value of toxicovigilance. This means that preventive activities for poisoning, such as education of the patient and family or peers, could be done. Informing responsible authorities of an index poisoning case could lead to better and concerted epidemiological investigations and perhaps lead to better health warnings and policy modifications. [Pg.280]

Thus the promotional index PIp is positive for promoters and negative for poisons. In the latter case the definition of PIp coincides with that of the toxicity defined by Lamy-Pitara, Bencharif and Barbier several years ago.21 In the case of pure site-blocking it is PIp=-l. Values of PI02- up to 150 and of PINas+ up to 6000 have been measured as we will see in Chapter 4. [Pg.23]

Since oxidation of methanol is an electrocatalytic reaction with different adsorption steps, interactions of the adsorbed species with the metallic surface are important. Using platinum single-crystal electrodes, it has been proven that the electrooxidation of methanol is a surface-sensitive reaction. The initial activity of the Pt(llO) plane is much higher than that of the other low-index planes, but the poisoning phenomenon is so rapid that it causes a fast decrease in the current densities. The... [Pg.83]

The qualitative voltammetric behavior of methanol oxidation on Pt is very similar to that of formic acid. The voltammetry for the oxidation of methanol on Pt single crystals shows a clear hysteresis between the positive- and negative-going scans due to the accumulation of the poisoning intermediate at low potentials and its oxidation above 0.7 V (vs. RHE) [Lamy et al., 1982]. Additionally, the reaction is also very sensitive to the surface stmcture. The order in the activity of the different low index planes of Pt follows the same order than that observed for formic acid. Thus, the Pt(l 11) electrode has the lowest catalytic activity and the smallest hysteresis, indicating that both paths of the reaction are slow, whereas the Pt( 100) electrode displays a much higher catalytic activity and a fast poisoning reaction. As before, the activity of the Pt(l 10) electrode depends on the pretreatment of the surface (Fig. 6.17). [Pg.184]

Sun SG, Clavilier J. 1987. Electrochemical study on the poisoning intermediate formed from methanol dissociation at low index and stepped platinum surfaces. J Electroanal Chem 236 95-112. [Pg.206]

Fig. 2. Relaxation modulus G(t) of a set of polydimethylsiloxane samples with increasing extent of crosslinking plotted against time of crosslinking. The linear PDMS chains (Mn 10 000, polydis-persity index 2) were endlinked with a four-functional silane crosslinker catalyzed by a platinum compound. Samples with different extent of reaction were prepared by poisoning the reaction at different times. The actual extent of reaction was not determined. Two of the samples are clearly before the gel point (LST) and two beyond. The third sample is very close to the gel point. Data of Chambon and Winter [5] evaluated by Baumgartel and Winter [8]... Fig. 2. Relaxation modulus G(t) of a set of polydimethylsiloxane samples with increasing extent of crosslinking plotted against time of crosslinking. The linear PDMS chains (Mn 10 000, polydis-persity index 2) were endlinked with a four-functional silane crosslinker catalyzed by a platinum compound. Samples with different extent of reaction were prepared by poisoning the reaction at different times. The actual extent of reaction was not determined. Two of the samples are clearly before the gel point (LST) and two beyond. The third sample is very close to the gel point. Data of Chambon and Winter [5] evaluated by Baumgartel and Winter [8]...
Today, GC-MS (see Section 4.1.1) is a golden standard for detection and quantification of drugs and poisons volatile under GC conditions, whereas nonvolatile compounds require LC-MS (see Section 4.1.2). The GC-MS technique is much more popular for identification purposes than LC-MS, because of the easy availability of the reference mass spectra for many xenobiotics and their derivatives, either in printed or computer form. The most popular libraries are the NIST library, which contains the mass spectra of 130,000 compounds, the Wiley Registry of Mass Spectral Data, which contains 390,000 reference spectra, and the Pfleger-Maurer-Weber library, with 6,300 mass spectra and other data, such as chromatographic retention indexes. [Pg.310]

CASRN 75-05-8 DOT 1648 DOT label Flammable liquid and poison molecular formula C2H3N FW 41.05 RTECS AL7700000 Merck Index 12, 68... [Pg.68]

CASRN 79-06-1 DOT 2074 DOT label Poison molecular formula C3H5NO FW 71.08 RTECS AS3325000 Merck Index 12, 131... [Pg.77]

CASRN 309-00-2 DOT 2761 (additional numbers may exist and may be provided by the supplier) DOT label Poison molecular formula C12H8CI6 FW 364.92 RTECS 102100000 Merck Index 12, 227... [Pg.82]

CASRN 107-18-6 DOT 1098 DOT label Flammable liquid poison molecular formula CsHeO FW 58.08 RTECS BA5075000 Merck index 12, 294... [Pg.87]

CASRN 504-29-0 DOT 2671 DOT label Poison molecular formula C5H6N2 FW 94.12 RTECS US1575000 Merck Index 12, 494... [Pg.95]

CASRN 62-53-3 DOT 1547 DOT label Poison molecular formula CgHyN FW 93.13 RTECS BW6650000 Merck Index 12, 696... [Pg.104]

CASRN 90-04-0 DOT 2431 DOT label Poison molecular formula C7H9NO FW 123.15 RTECS BZ5410000 Merck Index 12, 705... [Pg.109]

CASRN 92-87-5 DOT 1885 DOT label Poison molecular formula C12H12N2 FW 184.24 RTECS DC9625000 Merck Index 12, 1106... [Pg.129]

CASRN 111-44-4 DOT 1916 DOT label Poison molecular formula C4H8CI2O FW 143.01 RTECS KN0875000 Merck Index 12, 3116... [Pg.176]

CASRN 75-25-2 DOT 2515 DOT label Poison molecular formula CHBra FW 252.73 RTECS PB5600000 Merck Index 12, 1441... [Pg.192]

CASRN 111-76-2 DOT 2369 DOT label Poison and combustible liquid molecular formula CeHuOz FW 118.18 RTECS KJ8575000 Merck Index 12, 1594... [Pg.217]

CASRN 1563-66-2 DOT 2757 DOT label Poison molecular formula C12H15NO3 FW 221.26 RTECS FB9450000 Merck Index 12,1851... [Pg.251]

CASRN 56-23-5 DOT 1846 DOT label Poison molecular formula CCF FW 153.82 RTECS FG4900000 Merck Index 12, 1864... [Pg.258]

See other pages where INDEX poisoning is mentioned: [Pg.56]    [Pg.366]    [Pg.412]    [Pg.302]    [Pg.210]    [Pg.148]    [Pg.452]    [Pg.572]    [Pg.95]    [Pg.401]    [Pg.184]    [Pg.548]    [Pg.152]    [Pg.316]    [Pg.338]    [Pg.89]    [Pg.90]    [Pg.136]    [Pg.58]    [Pg.248]    [Pg.256]    [Pg.513]    [Pg.205]    [Pg.116]    [Pg.153]    [Pg.136]   


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