The product ion mass spectra of LDPE film containing 1 wt% Chimassorb 944 and Tinuvin 622 via LESA-ESI MS/MS
<p>(a) Compound 1 (Precursor ion <em>m/z</em> 601.563 [C<sub>35</sub>H<sub>68</sub>N<sub>8</sub> + H]<sup>+</sup>; photodegradation products derived Chimassorb 944),</p> <p>(b) Compound 2 (Precursor ion <em>m/z<...
محفوظ في:
| المؤلف الرئيسي: | |
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| مؤلفون آخرون: | , , , |
| منشور في: |
2025
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| الموضوعات: | |
| الوسوم: |
إضافة وسم
لا توجد وسوم, كن أول من يضع وسما على هذه التسجيلة!
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| الملخص: | <p>(a) Compound 1 (Precursor ion <em>m/z</em> 601.563 [C<sub>35</sub>H<sub>68</sub>N<sub>8</sub> + H]<sup>+</sup>; photodegradation products derived Chimassorb 944),</p> <p>(b) Compound 2 (Precursor ion <em>m/z</em> 461.396 [C<sub>26</sub>H<sub>48</sub>N<sub>6</sub>O + H]<sup>+</sup>; photodegradation products derived Chimassorb 944),</p> <p>(c) Compound 3 (Precursor ion <em>m/z</em> 629.558 [C<sub>36</sub>H<sub>68</sub>N<sub>8</sub>O + H]<sup>+</sup>; photodegradation products derived Chimassorb 944),</p> <p>(d) Compound 4 (Precursor ion <em>m/z</em> 363.322 [C<sub>20</sub>H<sub>38</sub>N<sub>6</sub>+ H]<sup>+</sup>; photodegradation products derived Chimassorb 944),</p> <p>(e) Compound 5 (Precursor ion <em>m/z</em> 417.370 [C<sub>24</sub>H<sub>44</sub>N<sub>6</sub> + H]<sup>+</sup>; photodegradation products derived Chimassorb 944), </p> <p>(f) Compound 6 (Precursor ion <em>m/z</em> 403.354 [C<sub>23</sub>H<sub>42</sub>N<sub>6</sub> + H]<sup>+</sup>; photodegradation products derived Chimassorb 944)</p> <p><br></p> <p>[LESA-ESI MS/MS measurement conditions]</p> <p>LESA system: Triversa Nanomate (Advion Inc.)</p> <p>MS system: Q Exactive plus (Thermo Fischer Scientific Inc.)</p> <p>Solvent: IPA/THF = 75/25</p> <p>Pressure: 0.3 kpsi</p> <p>Voltage: 1.8 kV</p> <p>Liquid volume: 2 μL</p> <p>MS conditions: Positive, product ion scan, NCE 15-55</p> <p><br></p> |
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