Tab 07 2 Statement of Work Redacted

Statement of Work for the Purchase of a MassTech
Atmospheric Pressure Matrix-Assisted Laser Desorption/Ionization (AP/MALDI) source

1. Objective/Requirements

The goal of the Cold Solar System Objects ISFM project is to investigate and understand the composition, origin, evolution, and chemical processes occurring on the surfaces and in the atmospheres of cold solar system objects (CSSOs). One of the main experimental tasks of the CSSO ISFM project is to characterize the physico-chemical properties of refractory samples produced by gas chemistry using the COsmic SImulation Chamber (COSmIC) or by ice chemistry using the Ices, Ice Irradiation, and Organics Laboratory for AstroBiology (I3OLAB) and the Matrix Isolation/Optical Constants of Ices (MIOCI) facility at NASA Ames Research Center (ARC). These laboratory-generated refractory samples are analogs of atmospheric aerosols and surface coloring materials present on Titan, Pluto, Triton, and Jupiter. To characterize the chemical composition of these solid samples, high-resolution mass spectrometry is a powerful analytical tool. We requested the purchase of a Thermo Fisher Scientific Orbitrap Exploris 240 high-resolution mass spectrometer equipped with the OptaMax New Generation (NG) interface and Heated Electrospray Ionization (H-ESI II) source enabling the analysis of molecules present in the soluble fraction of solid samples of interest. However, as the soluble fraction of the samples that are typically analyzed as part of the CSSO ISFM project represents no more than 50% of the samples, the purchase of a complementary atmospheric pressure/matrix-assisted laser desorption/ionization (AP/MALDI) source is necessary to enable the analysis of the molecules present in the insoluble fraction of all our samples. The MassTech AP/MALDI source (UHR model 155C) will allow for such an analysis of insoluble samples and is compatible with the Thermo Fisher Scientific Orbitrap Exploris 240 high-resolution mass spectrometer.

2. Characteristics, Scope, and Specs

The Matrix-Assisted Laser Desorption/Ionization (MALDI) source shall be compatible with Thermo Fisher Scientific high-resolution mass spectrometers equipped with the OptaMax NG interface and allow the ionization of molecules constituting the insoluble fraction of laboratorygenerated solid refractory samples formed by gas or ice chemistry, even in very low concentrations.
To achieve this goal, the MALDI source will need the following specifications: - the MALDI source must be compatible with the Thermo Fisher Scientific Orbitrap Exploris