The multi-element analysis was performed on a NexION 300X ICP-MS spectrometer, equipped with a S10 autosampler, a glass concentric nebulizer, a glass cyclonic spray chamber, and a kinetic energy discrimination (KED) collision cell, all produced by Perkin Elmer (Milan, Italy). Samples were mineralized by means of a microwave single reaction chamber (SCR) system (ultraWAVE™, Milestone, Sorisole, Italy) equipped with fifteen polytetrafluoroethylene (PTFE) vessels (volume: 15 cm3 each). An Ultraturrax mixer model T18 (IKA, Staufen, Germany) was used to homogenize the honey samples before analysis. The residual acidity and the dissolved organic carbon (DOC) in the digested sample were determined by acid–base titration procedure and by the Walkley-Black method [65 ] using a Thermo Scientific Orion 950 titrator, whereas the total organic carbon (TOC) was determined by means of a CHN analyzer Leco 628. Nylon filters (pore diameter: 0.22 μm), polypropylene (PP) metal-free tubes, and polyethylene (PE) flasks were from VWR (Milan, Italy).
Nexion 300x icp ms spectrometer
Manufactured by PerkinElmer
Sourced in Italy
The NexION 300X ICP-MS spectrometer is an analytical instrument used for the detection and measurement of trace elements in a variety of sample types. It utilizes inductively coupled plasma mass spectrometry (ICP-MS) technology to precisely determine the concentration of elements in a sample.
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6 protocols using nexion 300x icp ms spectrometer
1
Multi-Element Analysis of Honey by ICP-MS
2
Microwave-Assisted Soil Selenium Analysis
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Rice and soil samples were desegregated by acid/oxidant-assisted microwave irradiation using a microwave oven Ethos Easy Lab Station from Milestone, Sorisole, Italy. The Se determination was always performed using a NexION 300X ICP-MS spectrometer (Perkin Elmer, Milan, Italy), equipped with a nebulization system composed of a glass concentric nebulizer, a glass cyclonic spray chamber, an autosampler model S10 and a KED collision cell. The ICP-MS spectrometer was controlled by a proprietary software (NexION software Version 1.0) running under the Windows 7 environment. The Eh potentials of the soils were measured using a Thermo Orion model 210A electronic millivoltmeter, connected to a Pt electrode and an Ag/AgCl reference electrode (Amel Instruments, Milan, Italy).
3
ICP-MS Analysis of Nanobubble Trace Metals
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A NexION 300X ICP–MS
spectrometer (PerkinElmer, UK) equipped with a cyclonic spray chamber
and a SeaSpray concentric nebulizer was used to analyze pure water
and bulk nanobubble suspensions for the presence of any trace metal
particles. The ICP–MS operating parameters are summarized inTable S2 . In order to quantify the analytical
results of ICP–MS, the internal and external standard addition
modes were used. All standards were prepared in 2% aqueous solution
of HNO3. Single element stock solutions (Sigma-Aldrich,
UK) of 32 metals, namely, Na, Mg, Al, Si, P, K, Ca, Ti, V, Cr, Mn,
Fe, Co, Ni, Cu, Zn, Rb, Sr, Zr, Ru, Rh, Pd, Ag, Cd, Sn, Sb, Te, Hf,
Ir, Pt, Au, and Hg at a 1000 ppm concentration were used to prepare
the standards for external calibration. The calibration curve and
corresponding correlation coefficient (R2 > 0.99) for each metal element used are presented in theFigures S3–S5 . Indium at 1 ppm was employed
as the internal standard. Pure water and bulk nanobubble suspensions
were acidified using 2% HNO3 prior to ICP–MS sampling.
Samples were supplied to the nebulizer in continuous mode with the
spectrometer peristaltic pump using flared end poly(vinyl chloride)-based
tubing of 0.19 mm internal diameter.
spectrometer (PerkinElmer, UK) equipped with a cyclonic spray chamber
and a SeaSpray concentric nebulizer was used to analyze pure water
and bulk nanobubble suspensions for the presence of any trace metal
particles. The ICP–MS operating parameters are summarized in
results of ICP–MS, the internal and external standard addition
modes were used. All standards were prepared in 2% aqueous solution
of HNO3. Single element stock solutions (Sigma-Aldrich,
UK) of 32 metals, namely, Na, Mg, Al, Si, P, K, Ca, Ti, V, Cr, Mn,
Fe, Co, Ni, Cu, Zn, Rb, Sr, Zr, Ru, Rh, Pd, Ag, Cd, Sn, Sb, Te, Hf,
Ir, Pt, Au, and Hg at a 1000 ppm concentration were used to prepare
the standards for external calibration. The calibration curve and
corresponding correlation coefficient (R2 > 0.99) for each metal element used are presented in the
as the internal standard. Pure water and bulk nanobubble suspensions
were acidified using 2% HNO3 prior to ICP–MS sampling.
Samples were supplied to the nebulizer in continuous mode with the
spectrometer peristaltic pump using flared end poly(vinyl chloride)-based
tubing of 0.19 mm internal diameter.
4
Elemental Determination via ICP-MS
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The samples were mineralized using a microwave SRC system (UltraWave™, Milestone, Sorisole, Italy). The elemental determination was performed using a NexION 300X ICP-MS spectrometer (Perkin Elmer, Milan, Italy) equipped with a nebulization system composed of a glass concentric nebulizer, a glass cyclonic spray chamber, an autosampler model S10, and a KED collision cell. All the elements were determined simultaneously, and the information about the analytes and operational conditions has already been reported in Table 1 .
5
Quantitative Elemental Analysis of Soils
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Rice and soil samples were mineralized by acid/oxidant-assisted microwave irradiation using an Ethos Easy Lab Station microwave oven (Milestone, Sorisole, Italy). The quantitative determination of As, Cd, Pb, Se, Ni, Cu, Mn and Mo was performed using a NexION 300X ICP-MS spectrometer (Perkin Elmer, Milan, Italy), equipped with a nebulization system composed of a glass concentric nebulizer, a glass cyclonic spray chamber, a S10 autosampler and a KED collision cell. The ICP-MS spectrometer was controlled by a proprietary software (NexION software Version 1.0) running under the Windows 7 environment. The redox potentials of the soils were measured using a Thermo Orion model 210A electronic millivoltmeter, connected to a Pt electrode and a Saturated Calomel reference electrode, SCE (Amel Instruments, Milan, Italy).
6
Comprehensive Materials Characterization
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Allegra 64 R Centrifuge, Biosan TS-100 Thermoshaker, Malvern Zetasizer Nano 26, Autolab PGSTAT 302, hot plate Fisherbrand, Screen Printer DEK248, Tecnai F20 TEM (FEI), Perkin Elmer NexION 300X ICP-MS Spectrometer.
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