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Labmaster sp

Manufactured by MBraun
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Sourced in United States

The Labmaster SP is a compact, versatile glove box system designed for controlled-atmosphere applications. It features a gas-tight acrylic chamber with built-in glove ports, enabling users to safely manipulate materials in an inert environment. The Labmaster SP is equipped with an automated gas management system to maintain the desired atmosphere.

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Lab products found in correlation

Co3o4, by Fujifilm (1 mentions) Pulverisette 7, by Fritsch (1 mentions) Hipersolv chromanorm, by Avantor (1 mentions) Stannous octoate sn oct 2, by Merck Group (1 mentions)

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Labmaster SP glovebox Labmaster

4 protocols using labmaster sp

1

Hydrogenation using Ruthenium Catalyst

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If not otherwise described, all reactions were carried out under exclusion of air and moisture using Schlenk techniques or by manipulation in a glovebox (Labmaster SP from the company MBraun) under argon (4.8, by Air Products) atmosphere. Used glassware was dried by heating it with a heat gun (630 °C) under vacuum (1×10−3 mbar) and cycling with argon for at least three times. Chemicals were purchased from abcr, Acros Organics, Alfa‐Aesar, Sigma Aldrich and TCI Chemicals. Dichloro‐(diethylamino)phosphine was used after distillation.[11c] All other chemicals were used as received. 1‐Bromo‐4‐dodecylbenzene[10] and [Ru(CO)ClH(PiPr3)2][20] were synthesized according to literature procedures. Solvents for air and moisture sensitive reactions were deoxygenated by bubbling argon for at least 30 min and stored in Schlenk bottles over molecular sieves (3 or 4 Å). Hydrogen (5.0 by Air Products) and carbon dioxide (4.5 by Westfalen AG) were used as received.
Safety advice: High pressure experiments with compressed gases involve a significant risk and must be performed according to safety procedures and in conjunction with the use of suitable equipment.
Diehl T., Lanzerath P., Franciò G, & Leitner W. (2022). A Self‐Separating Multiphasic System for Catalytic Hydrogenation of CO2 and CO2‐Derivatives to Methanol. Chemsuschem, 15(22), e202201250.
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2

Synthesis of Li-Co Oxide Nanocomposite

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Accurately weighed powders of Li2O (Kojundo Chemical Laboratory co., ltd.) and Co3O4 (Wako Pure Chemical Industry, ltd.) were loaded into a zirconia milling pot (45 mL) in an Ar-filled glove box (LABmaster SP, MBRAUN) at atomic ratio of Co/Li = 0.1. The milling pot was fixed in a planetary ball mill machine (Pulverisette 7, Fritsch) and agitated with zirconia milling balls (10 mm diameter × 25) at 600 rpm for 200 h. Then, the milling pot was opened in an Ar-filled glove box and a dark green powder was collected. The elemental analysis of the resulting powder was carried out by inductively coupled plasma atomic emission spectroscopy (ICP-AES); Li 28.7 wt%, Co 24.0 wt%, atomic ratio of Co/Li = 0.099.
Okuoka S.I., Ogasawara Y., Suga Y., Hibino M., Kudo T., Ono H., Yonehara K., Sumida Y., Yamada Y., Yamada A., Oshima M., Tochigi E., Shibata N., Ikuhara Y, & Mizuno N. (2014). A New Sealed Lithium-Peroxide Battery with a Co-Doped Li2O Cathode in a Superconcentrated Lithium Bis(fluorosulfonyl)amide Electrolyte. Scientific Reports, 4, 5684.
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3

Calcium-Mediated Imine Reduction Protocols

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All experiments were carried out using standard Schlenk techniques or a glove box (MBraun, Labmaster SP) and freshly dried solvents. THF (THF AnalaR Normapur, VWR) was dried over molecular sieves (3 Å) and distilled from sodium. All other solvents were degassed with nitrogen, dried over activated aluminum oxide (Innovative Technology, Pure Solv 400‐4‐MD, Solvent Purification System) and stored over molecular sieves (3 Å) under inert atmosphere. Starting materials were used as delivered unless noted otherwise. Imine PhC(H)=NtBu was purchased from Sigma–Aldrich, stirred over CaH2 and distilled prior to use. The following compounds were prepared according to literature procedures: catalysts 1–3,26 [(DIPPBDI)CaH⋅(THF)]2,19 [(DIPPBDI)CaH]2,21 [CaN(SiMe3)2]2, [SrN(SiMe3)2]2 and [BaN(SiMe3)2]2.27Imine substrates were prepared according to the respective literature procedures: PhC(H)=NPh,28tBuC(H)=NtBu,29p‐Cl‐PhC(H)=NtBu,30p‐MeO‐PhC(H)=NtBu,30 PhC(Me)=NtBu,31 PhCH=NCH2Ph,32nPrC(H)=NtBu,33 Ph2CH=NPh.34
Elsen H., Fischer C., Knüpfer C., Escalona A, & Harder S. (2019). Early Main Group Metal Catalysts for Imine Hydrosilylation. Chemistry (Weinheim an Der Bergstrasse, Germany), 25(70), 16141-16147.
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4

Polymer Synthesis Protocol for LLA and DLA

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Toluene, 1,4-dioxane (anhydrous, >99.9%), and benzoic acid (99.5%) were dried over CaH2 and PS(−)Li(+). Ethyl acetate (EtOAc) was purchased from VWR Chemicals (HiPerSolv Chromanorm) and used as received. LLA (Sigma-Aldrich, Zwijndrecht, The Netherlands, 99%) and DLA (Jinan Daigang Biomaterial Co., Ltd., Jinan, China, ≥99.5%) were recrystallized from EtOAc three times and dissolved in anhydrous 1,4-dioxane, cryo-evaporating the 1,4-dioxane, followed by drying under vacuum overnight. Stannous octoate (Sn(Oct)2, Sigma-Aldrich, 95%) was distilled twice over anhydrous MgSO4 and activated 4 Å molecular sieves, followed by azeotropic distillation with dry toluene. PS-OH and P2VP-OH macronitiators obtained by anionic polymerization were dried through a freeze-drying process in benzene two times. All monomers, solvents, and catalysts for polymerizations were stored under argon (Ar) in a glove box (LABmaster SP, MBraun, Stratham, NH, USA).
Arkanji A., Ladelta V., Ntetsikas K, & Hadjichristidis N. (2022). Synthesis and Thermal Analysis of Non-Covalent PS-b-SC-b-P2VP Triblock Terpolymers via Polylactide Stereocomplexation. Polymers, 14(12), 2431.
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