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1. 3445 0 obj <>stream h�bbd```b``���7@$�^�"YZ@${$�\�H2�� �� ���f`bd�}���H�?×� �� 4 Mass Spectrometer Questions & Answers. 0 endstream endobj 3419 0 obj <>>>/Filter/Standard/Length 128/O(&4n������i�c�\)V5x#Ӷ@so�|@JFq� �)/P -1324/R 4/StmF/StdCF/StrF/StdCF/U(�� X=3��]����'h )/V 4>> endobj 3420 0 obj <>/Metadata 79 0 R/Outlines 118 0 R/Pages 3416 0 R/StructTreeRoot 122 0 R/Type/Catalog>> endobj 3421 0 obj <>/MediaBox[0 0 595.02 841.98]/Parent 3416 0 R/Resources<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 3422 0 obj <>stream 4. Data System Mass Detector Analyzer Vacuum System Source Inlet Region *More precisely mass spectrometry determines the mass of a molecule. 2. a) m/z is the mass/charge ratio - the mass of the ion divided by its charge. 3 Mass Relationships in Chemical Reactions MASS SPECTROMETRY Use the spectrum below to answer questions 1-5. �O�j�0��������g�O�9?6� Advances in mass spectrometry, including the ionization and ion-separation methods, and its applications in various branches of science and human activity are overviewed. Mass spectrometers are used to determine which of the following? Answer: c. Explanation: Mass spectrometers are used to determine the relative mass of atoms and molecules. Then Zr-91, and the least abundant is Zr-96 /mmz�>�I_�E�J���ֹ||5_�ô�N��В�����9�O�X��gb4n��85��


2. Name the How is this ionisation done? [4 marks] 01.2 A second method of ionising samples in time of flight mass spectrometry is by electrospray ionisation. a) Explain what is happening in the ionisation part of the spectrometer which looks like this in close-up: b) How are the ions produced in the ionisation chamber accelerated? **The mass to charge ratio ( m/z) is used to describe ions observed in mass spectrometry.By convention, m is the numerical value for the mass of the ion and z is the numerical value for the charge of the ion. 3418 0 obj <> endobj How many peaks are on the graph? The diagram, taken from the Chemguide page, shows the main parts of a mass spectrometer. The most abundant one is Zr-90, followed by Zr-94 and Zr-92 which have similar abundances. 3. �Uˑ)F���:��NK>����w���O��!�~9���*rU�8�����/�I��>���Wc�I+�(��{0�i�h����8����80K4°���NC���bM�ې��3I��\�PmT��J�>��G���Y?���n�2����@7a4h�5���@J��c����T�Z"�՗$� ��ln��� THE MASS SPECTROMETER 1. 204 196 198 199 200 202 202 mass number (anti-a) 1. endstream endobj startxref Since the x-axis is labeled mass number (amu), what can we assume about the charge? )�!��S�']Vn�wR�M.�:F�p����{`v�.V@Aw�r,����T��B�b�WO�'�Wu=l��^Q��~'�VA�+�� Tm�9:?F��|�����އGn,�n�8u$�z�{�~������J�m׆��k�{�(QY�C'��䖴��%j^K��o ���w�\0�1�p@�.b�'��� %PDF-1.6 %����


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