Purified water was obtained by using a Milli-Q Integral 3 system (Millipore SAS, Molsheim, France). Zomepirac sodium salt (used as internal standard, IS), L-pyroglutamic acid, hypoxanthine, L-histidine monohydrochloride monohydrate, oleic acid, L(+) lactic acid, LS-MS grade acetonitrile, methanol, formic acid, and LC grade ethanol were purchased from Sigma-Aldrich Chemie GmbH (Steinheim, Germany). The API-TOF reference mass solution kit (G1969-850001) and tuning solutions, ESI-L low-concentration tuning mix (G1969-85000), and ESI-TOF Biopolymer Analysis reference masses (G1969-850003) were purchased from Agilent Technologies (Santa Clara, CA, USA).
Esi l low concentration tuning mix g1969 85000
Manufactured by Agilent Technologies
Sourced in United States
The ESI-L low concentration tuning mix (G1969-85000) is a calibration solution designed for use with Agilent's electrospray ionization (ESI) mass spectrometry instruments. It provides a range of low-concentration reference compounds to help optimize and calibrate the performance of the mass spectrometer.
Automatically generated - may contain errors
Lab products found in correlation
Api tof reference mass solution kit, by Agilent Technologies (4 mentions)
Esi tof biopolymer analysis reference masses, by Agilent Technologies (4 mentions)
Formic acid, by Merck Group (4 mentions)
Milli q integral 3 system, by Merck Group (3 mentions)
Zomepirac sodium salt, by Merck Group (2 mentions)
Ls ms grade acetonitrile, by Merck Group (2 mentions)
Lc grade ethanol, by Merck Group (2 mentions)
Methanol, by Merck Group (2 mentions)
Lc ms grade methanol, by Merck Group (2 mentions)
Acetonitrile, by Merck Group (2 mentions)
Hypoxanthine, by Merck Group (1 mentions)
L lactic acid, by Merck Group (1 mentions)
L pyroglutamic acid, by Merck Group (1 mentions)
L histidine monohydrochloride monohydrate, by Merck Group (1 mentions)
Oleic acid, by Merck Group (1 mentions)
Silylation grade pyridine, by Avantor (1 mentions)
Milli q plus185 system, by Merck Group (1 mentions)
C18 0methyl ester, by Thermo Fisher Scientific (1 mentions)
Trimethylchlorosilane, by Thermo Fisher Scientific (1 mentions)
Lc grade acetone, by Merck Group (1 mentions)
4 protocols using esi l low concentration tuning mix g1969 85000
1
Characterization of Biological Compounds
2
Mass Spectrometry Reagent Standards
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Purified water was obtained using the Milli-Qplus185 system (Millipore, Billerica, MA, USA). LC–MS grade methanol (MeOH), acetonitrile (ACN), formic acid and LC grade ethanol (EtOH), standard mix for GC–MS, containing grain fatty acid methyl ester mixture (C8-C28), 2-propanol and analytical grade heptane were purchased from Sigma-Aldrich ChemieGmbH (Steinheim, Germany). C18:0methyl ester and N,O-bis(trimethylsilyl) trifluoroacetamide with 1% trimethylchlorosilane were obtained from Pierce Chemical Co (Rockford, IL, USA). Silylation grade pyridine was purchased from VWR International BHDProlabo (Madrid, Spain). The API-TOF reference mass solution kit (G1969-850001) and tuning solutions, ESI-L low concentration tuning mix (G1969-85000) and ESI-TOF Biopolymer Analysis referencemasses (G1969-850003) were purchased from Agilent Technologies (Santa Clara, CA, USA).
3
Preparation of LC-MS Grade Solvents
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Purified water was obtained using the Milli-Q Integral 3 system (Millipore SAS, Molsheim, France). LC-MS grade methanol, acetonitrile, formic acid and LC grade acetone, and ethanol were purchased from Sigma-Aldrich Chemie GmbH, Steinheim, Germany. The API-TOF reference mass solution kit (G1969-850001) and tuning solutions, ESI-L low concentration tuning mix (G1969-85000), and ESI-TOF Biopolymer Analysis reference masses (G1969-850003) were purchased from Agilent Technologies, Santa Clara, California, USA.
4
Mass Spectrometry Protocol Optimization
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Purified water was obtained using the Milli-Q Integral 3 system (Millipore SAS, Molsheim, France). Zomepirac sodium salt (used as internal standard, IS), LS-MS-grade acetonitrile (ACN), methanol (MeOH), and formic acid (FA) were purchased from Sigma-Aldrich Chemie GmbH (Steinheim, Germany). Pure p.a. ammonium solution (25%) was purchased from Avantor Performance Materials (Gliwice, Poland). The API-TOF reference mass solution kit (G1969-850001) and tuning solutions, ESI-L low concentration tuning mix (G1969-85000), and ESI-TOF Biopolymer Analysis reference masses (G1969-850003) were purchased from Agilent Technologies (Santa Clara, CA, USA). Standards to confirm the identity of metabolites were purchased from Sigma-Aldrich Chemie GmbH (Steinheim, Germany) (taurine, pipecolic acid, leucine, histidine, phenylalanine, 3-methylhistidine, citric acid, tryptophan, adenosine, and stearoylcarnitine) and Avanti Polar Lipids Inc. (AL, USA) (LPI 18:0 and LPG 18:1).
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