Rubidium chloride

Manufactured by Merck Group

Sourced in United States

Rubidium chloride is a chemical compound with the formula RbCl. It is a crystalline solid that is soluble in water. Rubidium chloride is used in various laboratory applications, including as a source of rubidium ions for atomic clocks and other scientific instruments.

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Lab products found in correlation

8 protocols using rubidium chloride

Aqueous Colloidal Interfaces Probed by AR-SHS

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Sodium hydroxide (NaOH, >99.99% trace metals
basis, Sigma-Aldrich), sodium chloride (NaCl, >99.999%, abcr GmbH),
rubidium chloride (RbCl, >99.95%, Sigma-Aldrich), and calcium chloride
(CaCl₂, >99.99%, Sigma-Aldrich) were used as received.
SiO₂ colloids dispersed in water (∼100 nm diameter)
were purchased from Polysciences, Inc. (5.9% w/w). TiO₂ colloids dispersed in water (∼100 nm diameter) were purchased
from Corpuscular Microspheres Nanospheres (2.5% w/v). The TiO₂ colloids are core–shell particles composed of a SiO₂ core and a TiO₂ shell. As the main contribution
to the AR-SHS signal is given by water molecules oriented at the TiO₂ surface (see the Supporting Information), our experiment only requires the presence of a few atomic layers
of TiO₂ in contact with the aqueous solution. We further
demonstrate in the Supporting Information that the AR-SHS data are independent of the thickness of the TiO₂ shell.

Bischoff M., Biriukov D., Předota M, & Marchioro A. (2021). Second Harmonic Scattering Reveals Ion-Specific Effects at the SiO2 and TiO2 Nanoparticle/Aqueous Interface. The Journal of Physical Chemistry. C, Nanomaterials and Interfaces, 125(45), 25261-25274.

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PBA Characterization with Monovalent Cations

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Optima LC-MS grade acetonitrile and water were purchased from Fisher Scientific (Waltham, MA). The PBA sample was provided by Bayer Material Science, with the number-average molecular weight (M_n) determined by end-group analysis (M_n = 2250) [32 ]. MALDI analysis of this PBA sample determined M_n = 2155 [33 ]. Lithium chloride, sodium chloride, potassium chloride, rubidium chloride, and cesium chloride were purchased from Sigma-Aldrich (St. Louis, MO). The PBA sample was prepared at an initial concentration of 1 mg/mL and subsequently diluted to a final concentration of 10 μg/mL in acetonitrile. Group I monovalent cations were prepared at an initial concentration of 1 mg/mL in water. Then, metal cation solutions were diluted to 5 mM in 10 μg/mL of the PBA sample in acetonitrile.

Crescentini T.M., May J.C., McLean J.A, & Hercules D.M. (2019). Alkali Metal Cation Adduct Effect on Polybutylene Adipate Oligomers: Ion Mobility-Mass Spectrometry. Polymer, 173, 58-65.

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Isotopic Labeling Protocol for Organic Synthesis

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Millipore water was obtained from Milli-Q
water system. Acetonitrile was purchased from PHARMCO-AAPER (Brookfield,
CT). Formic acid (88%), barium hydroxide, and calcium oxide were obtained
from Fisher Scientific (Fair Lawn, NJ). Metal magnesium turnings,
lithium hydroxide, potassium hydroxide, sodium formate, rubidium chloride,
cesium carbonate, and Formic acid-d₂ (95
wt % in D₂O, 98 atom % D) were obtained from Sigma-Aldrich
(Saint Louis, MO). Strontium carbonate was obtained from J. T. Baker
(Avantor, Center Valley, PA). H₂¹⁸O was purchased
from Cambridge Isotope Laboratories (Cambridge, MA). All chemicals
were used without further purification.

Zheng Z., Pavlov J, & Attygalle A.B. (2019). Fortuitous Ion–Molecule Reaction Enables Enumeration of Metal–Hydrogen Bonds Present in Gaseous Ions. ACS Omega, 4(2), 3965-3972.

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Metal Ions Preparation Protocol

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L-Tyrosine (Tyr, 99.0%), silver nitrate (AgNO₃; 99.9%), gold(III) chloride trihydrate (HAuCl₄; ≥99.9%), cadmium nitrate tetrahydrate (Cd(NO₃)₃ × 4 H₂O; 98%), cesium chloride (CsCl; 99%), mercury(II) chloride (HgCl₂; 99.5%), lanthanum chloride hydrate (LaCl₃ × H₂O; 99.9%), magnesium chloride (MgCl₂; ≥98%), rubidium chloride (RbCl₂; 99.8%), rhodium chloride (RhCl₃; 98%), thallium chloride (TlCl; 98%), cerium chloride heptahydrate (CeCl₃ × 7 H₂O; 99.9%), yttrium(III) chloride (YCl₃; 99.99%), cobalt(II) chloride hexahydrate (CoCl₂ × 6 H₂O, 98%), manganese(II) chloride tetrahydrate (MgCl₂×4 H₂O; 98%), nickel(II) chloride (NiCl₂, >98%), copper(II) chloride (CuCl₂, >98%), and iron(III) chloride hexahydrate (FeCl₃ × 6 H₂O, 98%) were purchased from Sigma-Aldrich (St. Louis, MO, USA). Sodium chloride (NaOH; 99.0%), hydrochloric acid (HCl; 37%), zinc(II) chloride (ZnCl₂; 99.9%), calcium chloride dihydrate (CaCl₂ × 2 H₂O; 97%), potassium chloride (KCl; >99%) and Sodium chloride (NaCl; 99.98%) were products of Molar Chemicals. For fresh stock solutions, Milli-Q (Merck Millipore, Burlington, MA, USA) ultrapure water (18.2 MΩ·cm at 25 °C) was used. The chemicals were of analytical grade and further purification was not applied.

Ungor D., Bélteki R., Horváth K., Dömötör O, & Csapó E. (2022). Fluorescence Quenching of Tyrosine-Ag Nanoclusters by Metal Ions: Analytical and Physicochemical Assessment. International Journal of Molecular Sciences, 23(17), 9775.

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Synthesis of Zn-based Metal-Organic Frameworks

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Zn (NO₃)₂·6H₂O (98.0 %), 2-methylimidazole (Hmim, 99.0%), lithium chloride (LiCl, 99.0%), sodium chloride (NaCl, 99.0%), potassium chloride (KCl, 99.0%), rubidium chloride (RbCl, 99.0%), sodium hydroxide (NaOH, 85%), hydrogen chloride (HCl, 36 to 38%), potassium hydroxide (KOH, 85%), GO, 1,4-benzenedicarboxylic acid (BDC, 98%), zirconium chloride (ZrCl₄, >99.5%), benzimidazole (Bim, 99.0%), and N,N′-dimethylformamide (DMF, 99.8%) were purchased from Sigma-Aldrich. Methanol (analysis) was purchased from Merck. All chemicals were used as provided. All solutions were prepared with Milli-Q water (18.2 megohm). Porous AAO disks with a diameter of 13 mm (average pore diameter of 200 nm, pore density of ~7.6 × 10⁶ mm⁻²) from GE Healthcare companies were used as supports.

Zhang H., Hou J., Hu Y., Wang P., Ou R., Jiang L., Liu J.Z., Freeman B.D., Hill A.J, & Wang H. (2018). Ultrafast selective transport of alkali metal ions in metal organic frameworks with subnanometer pores. Science Advances, 4(2), eaaq0066.

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Synthesis of Metal Complexes

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Acetonitrile
was purchased from PHARMCO-AAPER
(Brookfield, CT, USA). Formic acid (88%), barium hydroxide, and calcium
oxide were purchased from Fisher Scientific (Fair Lawn, NJ, USA).
Metal magnesium turnings, lithium hydroxide, potassium hydroxide,
sodium formate, rubidium chloride, cesium carbonate, gallium metal,
indium metal, thallium(III) acetate, lead(II) carbonate, antimony(III)
oxide, and Formic acid-d₂ (95 wt % in
D₂O, 98 atom % D) were purchased from Sigma-Aldrich (Saint
Louis, MO, USA). Strontium carbonate was obtained from J.T. Baker
(Avantor, Center Valley, PA). H₂¹⁸O was purchased
from Cambridge Isotope Laboratories (Cambridge, MA). All chemicals
were used without further purification.

Zheng Z., Pavlov J., Wei Y., Zhang Y, & Attygalle A.B. (2018). Periodic Trends Manifested through Gas-Phase Generation of Anions Such as [AlH4]−, [GaH4]−, [InH4]−, [SrH3]−, [BaH3]−, [Ba(0)(η2-O2CH)1]−, [Pb(0)H]−, [Bi(I)H2]−, and Bi– from Formates. ACS Omega, 3(3), 3440-3452.

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DNA Amplification and Purification

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Phusion DNA polymerase (Thermo Fisher, USA) was used to amplify DNA fragments. If the size of the DNA fragment was longer than 10 kb, PrimeSTAR GXL DNA polymerase (TaKaRa, Japan) was used. The Trans 2K Plus II DNA marker (TransGen Biotech, Beijing) was used as a DNA ladder to measure the size of DNA fragments by agarose gel electrophoresis. A gel extraction kit, plasmid extraction minikit, and BAC/PAC (P1-derived artificial chromosome) DNA isolation kit (all from Omega, USA) were used to purify DNA. All primers were synthesized by the Beijing Genomics Institute. Magnesium chloride, manganese chloride, rubidium chloride, polyethylene glycol 8000 (PEG 8000), PEG 3350, and DMSO were purchased from Sigma-Aldrich (USA), and the remaining reagents were purchased from Sangon Biotech (Beijing, China).

Yang Y., Liu M., Wang T., Wang Q., Liu H., Xun L, & Xia Y. (2022). An Optimized Transformation Protocol for Escherichia coli BW3KD with Supreme DNA Assembly Efficiency. Microbiology Spectrum, 10(6), e02497-22.

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Recombinant Albumin Reagent Preparation

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Bovine serum albumin, sucrose, potassium chloride, rubidium chloride, cesium chloride, potassium phosphate, and sodium sulfate were purchased from Sigma-Aldrich (St. Louis, MO). Lithium chloride, sodium chloride, sodium phosphate monobasic anhydrous, sodium phosphate dibasic heptahydrate, and potassium phosphate monobasic were purchased from Fisher Scientific (Pittsburgh, PA). Recombinant HSA in sterile ultrahigh purity grade was a product of Albumin Bioscience (Huntsville, AL).

Goshima H., Forney-Stevens K.M., Liu M., Qian K.K., Tyagi M., Cicerone M.T, & Pikal M.J. (2016). Addition of Monovalent Electrolytes to Improve Storage Stability of Freeze-Dried Protein Formulations. Journal of pharmaceutical sciences, 105(2).

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