Graphite (~150 µm flakes), alginic acid sodium salt (1.56 M/G), sepiolite, H3PO4 (≥85%), H2SO4 (97%), HCl (37%), KMnO4 (99.0%), and H2O2 (30%) were purchased from Sigma-Aldrich Co (St. Louis, MO, USA). Zinc acetate dihydrate and NH4OH solution were obtained from Honeywell Fluka (Charlotte, NC, USA), while NaOH was supplied by LabChem Inc (Zelienople, PA, USA). Glycerol (95%) was purchased from Scharlab, S.L. (Barcelona, Spain) and CaCl2 dihydrate acquired by Merck (Darmstadt, German). All other reagents were of analytical grade and used without further purification.
Sepiolite
Manufactured by Merck Group
Sourced in United States
Sepiolite is a naturally occurring clay mineral that is used in various laboratory applications. It is a hydrated magnesium silicate with a fibrous, needle-like structure. Sepiolite has a high surface area and adsorption capacity, making it useful as a sorbent and filtration material in laboratory settings.
Automatically generated - may contain errors
Lab products found in correlation
Glycerol, by Scharlab (1 mentions)
H2so4, by Merck Group (1 mentions)
Kmno4, by Merck Group (1 mentions)
Hydrochloric acid (hcl), by Merck Group (1 mentions)
H3po4, by Merck Group (1 mentions)
Alginic acid sodium salt, by Merck Group (1 mentions)
Magnesium nitrate, by Merck Group (1 mentions)
Sodium hydroxide (naoh), by Merck Group (1 mentions)
Lithium fluoride lif, by Thermo Fisher Scientific (1 mentions)
Snakeskin dialysis tubing, by Thermo Fisher Scientific (1 mentions)
Ethanol, by Merck Group (1 mentions)
Calcium chloride, by Merck Group (1 mentions)
Sodium carbonate, by Merck Group (1 mentions)
Glutaraldehyde, by Merck Group (1 mentions)
Hydrotalcite, by Merck Group (1 mentions)
Pfdtes, by Gelest (1 mentions)
Halloysite, by Merck Group (1 mentions)
Hydrogen tetrachloroaurate, by Merck Group (1 mentions)
Kaolinite, by Merck Group (1 mentions)
Chlorpyrifos, by Merck Group (1 mentions)
6 protocols using sepiolite
1
Synthesis of Graphite-Based Composite Materials
2
Magnesium Nitrate Synthesis Protocol
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The reagents and chemicals used
were of AR grade. Magnesium nitrate,
sodium hydroxide, poly(vinyl pyrollidone) (PVP), and sepiolite were
purchased from Sigma-Aldrich and used with no further purification.
were of AR grade. Magnesium nitrate,
sodium hydroxide, poly(vinyl pyrollidone) (PVP), and sepiolite were
purchased from Sigma-Aldrich and used with no further purification.
3
Synthesis of Nanocomposites using FeCl3 and NaBH4
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Iron (III) chloride hexahydrate (FeCl3·6H2O) and sodium borohydride (NaBH4) were purchased from Beijing Chemical Workstation. Rh 6G was from Aladdin. All the chemicals were of analytical grade. The sepiolite was obtained from Sigma Aldrich, its BET area and average pore size are 319.4 m2/g and 6.885 nm, respectively. The kaolinite was bought from China Kaolin Co, Ltd, its BET area and average pore size are 22 m2/g and 30.095 nm, respectively. All the chemicals and minerals were used without further purification. All of the solutions were formulated with distilled water.
4
Silk-based biocomposite material synthesis
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Materials. All chemicals in this study were used without purification. The Bombyx mori silkworm cocoons were purchased from Wild Fibers, U.K. Tetraethyl orthosilicate (98% purity, TEOS), hexadecyltrimethylammonium bromide (98% purity, CTAB), amino propyltriethoxysilane (APTES, 99%), ethanol (99.9%, EtOH), calcium chloride (99.99% purity, CaCl2), sodium carbonate (Na2CO3), glutaraldehyde (50% in water), and sepiolite (Mg4Si6O15(OH)2•6H2O) were received from Sigma-Aldrich. SnakeSkin ™ dialysis tubing with molecular weight cutoffs of 3.5 kDa was purchased from ThermoFisher Scientific. Titanium aluminum carbide powder (Ti3AlC2, 99% purity) was purchased from Nanoshel. The lithium fluoride (LiF, 98%) was purchased from Alfa Aesar.
5
Preparation and Characterization of Modified Clays
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PAL was purchased from Jiangsu, China. Kaolinite and vermiculite were purchased from Fujian, China. Illite and rectorite were purchased from Hubei, China. Mica was purchased from Hebei, China. Na+-MMT was purchased from Shandong, China. Ca2+-MMT and Li+-MMT was purchased from Henan, China. Halloysite, diatomite, hydrotalcite and sepiolite were purchased from Sigma-Aldrich. Laponite RD was supplied by Southern Clay Products, Inc. For acid activation, the clays (15 g) were suspended in the 2 M HCl aqueous solutions (150 mL) at room temperature and magnetically stirred for 2 h. The acid activated clays were washed with deionized water until pH 6, and then dried at 105 °C to a constant weight. The clays were sifted using a 200 mesh sieve. Glass slides (24 × 50 mm) were purchased from Menzel, Germany. PFDTES (97%) and TEOS (99.9%) were bought from Gelest. Ethanol, ammonia, CH2I2, toluene n-dodecane, n-hexadecane and n-decane were bought from China National Medicines Co. Ltd.
6
Acetylcholinesterase Inhibition Assay
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Acetylcholinesterase
(AChE, EC 3.1.1.7, Type VI-S, 254 U/mg from electric eels), acetylthiocholine
chloride (ATCh), chlorpyrifos, carbaryl, kaolinite (Kaol), montmorillonite
(Mt), bentonite (Bent), sepiolite (Sep), hydrogen tetrachloroaurate
(HAuCl4·3H2O), sodium borohydride (NaBH4), 3-aminopropyl triethoxysilane (APTES), 5,5′-dithiobis(2-nitrobenzoic
acid) (DTNB), disodium hydrogen phosphate (Na2HPO4), sodium dihydrogen phosphate (NaH2PO4), sodium
hydroxide (NaOH), potassium chloride (KCl), and potassium ferricyanide
(K3[Fe(CN)6]) were purchased from Sigma-Aldrich.
In addition, 100% acetic acid (CH3COOH) and 99.9% ethanol
(CH3CH2OH) were obtained from QReC Chemical.
Chitosan (CS, average MW = 550 kDa, and
95% acetylation) was obtained from Seafresh Chitosan Co., Ltd., Thailand.
Deionized water was prepared from a Thermo Scientific Barnstead EASY
pure deionization unit. All the chemicals used were of analytical
grade and applied without further treatment.
(AChE, EC 3.1.1.7, Type VI-S, 254 U/mg from electric eels), acetylthiocholine
chloride (ATCh), chlorpyrifos, carbaryl, kaolinite (Kaol), montmorillonite
(Mt), bentonite (Bent), sepiolite (Sep), hydrogen tetrachloroaurate
(HAuCl4·3H2O), sodium borohydride (NaBH4), 3-aminopropyl triethoxysilane (APTES), 5,5′-dithiobis(2-nitrobenzoic
acid) (DTNB), disodium hydrogen phosphate (Na2HPO4), sodium dihydrogen phosphate (NaH2PO4), sodium
hydroxide (NaOH), potassium chloride (KCl), and potassium ferricyanide
(K3[Fe(CN)6]) were purchased from Sigma-Aldrich.
In addition, 100% acetic acid (CH3COOH) and 99.9% ethanol
(CH3CH2OH) were obtained from QReC Chemical.
Chitosan (CS, average MW = 550 kDa, and
95% acetylation) was obtained from Seafresh Chitosan Co., Ltd., Thailand.
Deionized water was prepared from a Thermo Scientific Barnstead EASY
pure deionization unit. All the chemicals used were of analytical
grade and applied without further treatment.
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