Analytical grade hydrochloric acid (HCl), sodium bicarbonate (NaHCO3) from SRL India, cobalt chloride (CoCl2), boric acid (H3BO3), sodium hypophosphite (Na2H2PO2) and sodium chloride (NaCl) from Merck, Gujarat, India, and deionized water were used during this study.
Boric acid h3bo3
Manufactured by Merck Group
Sourced in Germany, India
Boric acid (H3BO3) is a chemical compound that is commonly used in various laboratory applications. It is a white, crystalline solid with a melting point of around 170°C. Boric acid is soluble in water and has a slightly acidic pH. Its core function is to serve as a widely-used chemical reagent and buffer in laboratory settings.
Automatically generated - may contain errors
Lab products found in correlation
Sodium hydroxide (naoh), by Merck Group (5 mentions)
Potassium chloride (kcl), by Merck Group (3 mentions)
Acetic acid, by Merck Group (3 mentions)
Sodium chloride (nacl), by Merck Group (1 mentions)
Sodium tetraborate decahydrate, by Merck Group (1 mentions)
Sodium phosphate monobasic monohydrate, by Merck Group (1 mentions)
Sodium phosphate dibasic dodecahydrate, by Merck Group (1 mentions)
Citric acid, by Avantor (1 mentions)
Sodium chloride (nacl), by Avantor (1 mentions)
Sodium hydroxide (naoh), by Avantor (1 mentions)
Sulfuric acid h2so4, by Merck Group (1 mentions)
Phosphoric acid h3po4, by Merck Group (1 mentions)
Glacial acetic acid, by Merck Group (1 mentions)
Sodium sulfate na2so4, by Merck Group (1 mentions)
Dichloromethane ch2cl2, by Merck Group (1 mentions)
H2so4, by Merck Group (1 mentions)
Ticl4, by Merck Group (1 mentions)
1 octadecene, by Merck Group (1 mentions)
Suprapur grade hydrochloric acid, by Merck Group (1 mentions)
Hydrogen peroxide h2o2, by Merck Group (1 mentions)
22 protocols using boric acid h3bo3
1
Cobalt-based Electrochemical Deposition
2
Lupin Meal Characterization and Analysis
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Lupin meal from white lupin seed (Lupinus albus L.) was supplied by Olead (Pessac, France). The initial protein and fat content were 47.4 and 0.4% on a dry matter basis, respectively. The sodium chloride (NaCl, CAS 7647-14-201), sodium hydroxide (NaOH, CAS 1310-73-2), sodium citrate dihydrate (C6H5Na3O7·2H20, CAS 6132-04-3) and citric acid (C6H8O7·H2O, CAS 5949-29-1) were from VWR (Darmstadt, Germany). The hydrochloric acid (HCl, CAS 7647-01-0) was purchased from Carlo Erba (Milan, Italy). Boric acid (H3BO3, CAS 10043-35-3), sodium tetraborate decahydrate (B4Na2O7·10H2O, CAS 1303-96-4), sodium phosphate monobasic monohydrate (NaH2PO4·H2O, CAS 10049-21-5) and sodium phosphate dibasic dodecahydrate (Na2HPO4·12H2O, CAS 10039-32-4) were from Merck KGaA (Darmstadt, Germany).
3
Electrochemical Biosensor Development with Graphene Oxide
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Bay laurel leaves were purchased from JustIngredients Ltd. (UK). Graphene oxide with 4–10% edge-oxidised and carboxylic-acid-functionalised multiwalled carbon nanotubes (>8%), with an average diameter of 9.5 nm and a length of 1.5 μm, was used in the study. Chemicals such as gold chloride trihydrate HAuCl4·3H2O, sodium hydroxide NaOH, potassium ferricyanide K3[Fe(CN)6], potassium ferrocyanide K4[Fe(CN)6], potassium chloride KCl, glacial acetic acid, phosphoric acid H3PO4, boric acid H3BO3, and sulfuric acid H2SO4, along with gold(II) chloride and estradiol standard, were obtained from Merck (Dorset, UK). A solution of E2 (0.01 M), prepared in ethanol, was stored at +4 °C for future use. Deionised water from Suez Water System (UK) was used to prepare solutions for the study. A potassium ferricyanide solution was created by dissolving K3[Fe(CN)6] and potassium ferrocyanide K4[Fe(CN)6] in 0.1 M KCl and deionised water at concentrations of 5 mM, respectively. Britton–Robinson buffer solution (B-R) with varying pH levels between 2 and 8 was made using acetic acid (0.04 M), boric acid (0.04 M), phosphoric acid (0.04 M), and NaOH as needed to adjust the pH levels accordingly.
4
Dichloromethane-Based Cellulose Triacetate Membrane Fabrication
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Dichloromethane (CH2Cl2) (Sigma-Aldrich, Lenexa, KS, USA), H2SO4 (98% purity, Sigma-Merck, Germany), cellulose triacetate (MA = 72,000–74,000), 2-Nitrophenyl Octyl Ether (2-NPOE) (Honeywell Fluka, Wabash, IN, USA), ammonium acetate (NH4CH3COO), acetic acid (CH3COOH), hydrochloric acid (HCl), nitric acid (HNO3), and boric acid (H3BO3) (Merck, Germany) were used for pre-treatment and model working. Furthermore, sodium hydroxy (NaOH), sodium chloride (NaCl), and sodium sulfate (Na2SO4) were purchased from Sigma-Aldrich (USA). Ultra-pure water (resistivity 18.2 MΩ/cm) was used for all aqueous solutions and experimental steps.
This study was carried out by using different instruments; a thermostatic (Poly Science 912, Niles, IL, USA) apparatus to keep the temperature controlled, magnetic stirrer (Yellow line MST basic, Germany) and reverse osmosis system (Human Corporation, Seoul, Korea) to water distillation. Moreover, weighing and determination of pH values of all samples were performed by Precisa XB 220A (Switzerland) brand analytical balance and WTW 720 brand pH meter, respectively.
This study was carried out by using different instruments; a thermostatic (Poly Science 912, Niles, IL, USA) apparatus to keep the temperature controlled, magnetic stirrer (Yellow line MST basic, Germany) and reverse osmosis system (Human Corporation, Seoul, Korea) to water distillation. Moreover, weighing and determination of pH values of all samples were performed by Precisa XB 220A (Switzerland) brand analytical balance and WTW 720 brand pH meter, respectively.
5
Synthesis of Titanium Sulfide Nanostructures
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1-Octadecene (90%) and TiCl4 were purchased from Sigma Aldrich. Sulphur (S) and boric acid (H3BO3) were purchased from Merck and used as received.
6
Determination of Inorganic Ions in Cereal Flours
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Suprapur grade - hydrochloric acid (HCl, 30% w/v), and hydrogen peroxide (H2O2) (30% w/v), sodium hydroxide, methane sulfonic acid (MSA), sodium sulphate (Na2SO4), copper sulphate pentahydrate (CuSO45H2O), sulfuric acid (H2SO4) - 98% purity, boric acid (H3BO3) and methyl red indicator were obtained from Merck (Bangluru, India). All sample and standard preparations were performed using deionized water (DI) with a minimum resistivity of 18 MΩ cm that was obtained from a Millipore water purification system (Synergy(R), Merck-Millipore, Germany. The standards from which calibration solutions were prepared for the IC method were nitrite (Trace- CERT(R), lot no. BCBR7891V), nitrate (Trace- CERT(R), lot no. BCBP0387V) and ammonium ion (Certipur(R) Batch no: HC 41944312). These were obtained from Sigma-Aldrich, Switzerland which were traceable to the SI unit and measured against the NIST SRM. Flours of wheat, rice, finger millet, jowar and pearl millet samples were purchased from local market.
7
Synthesis of Rare-Earth Doped Oxides
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All chemicals were used without further purification. Y2O3 (99.999%) was purchased from Alfa Aesar; Tm2O3 (99.999%) from Heraeus; Yb2O3 (99.99%), Y2O3 (99.99%), Al(NO3)3.9H2O (≥98%), urea (BioReagent), and nitric acid (HNO3; puriss. p.a., ≥65%) from Sigma-Aldrich; and boric acid (H3BO3; ≥99.5%) from Merck.
8
Multifunctional Photocurable Polymer Coatings
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2-Ethylhexyl acrylate (EHA),
isobornyl acrylate (IBOA), trimethylolpropane triacrylate (TMPTA),
a photoinitiator; diphenyl (2,4,6-trimethyl benzoyl)-phosphine oxide/2-hydroxy-2-methyl
propiophenone (blend), beta carotene (synthetic, ≥93% (UV),
powder), tartrazine (dye content ≥85%), 3-(trimethoxysilyl)propyl
methacrylate, tin (II) chloride (SnCl2), palladium (II)
chloride (PdCl2), boric acid (H3BO3), and ∼37% hydrochloric acid (HCl) were all purchased from
Sigma-Aldrich. The surfactant Hypermer B246-SO-M was donated by Croda.
Electroless nickel plating solutions (Part A and Part B) were purchased
from Caswell UK.
isobornyl acrylate (IBOA), trimethylolpropane triacrylate (TMPTA),
a photoinitiator; diphenyl (2,4,6-trimethyl benzoyl)-phosphine oxide/2-hydroxy-2-methyl
propiophenone (blend), beta carotene (synthetic, ≥93% (UV),
powder), tartrazine (dye content ≥85%), 3-(trimethoxysilyl)propyl
methacrylate, tin (II) chloride (SnCl2), palladium (II)
chloride (PdCl2), boric acid (H3BO3), and ∼37% hydrochloric acid (HCl) were all purchased from
Sigma-Aldrich. The surfactant Hypermer B246-SO-M was donated by Croda.
Electroless nickel plating solutions (Part A and Part B) were purchased
from Caswell UK.
9
Tryptophan-based Nanomaterial Synthesis
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Chitosan, FeCl3·6H2O, FeCl2·4H2O sulfuric acid (H2SO4), L-TRP, D-TRP, methacrylic acid, ethylene glycol dimethylacrylate (EGDMA), azobisisobutyronitrile (AIBN), dimethylsulfoxide (DMSO), copper (II) chloride (CuCl2), acetic acid (AcH), polyphosphoric acid (H3PO4), and boric acid (H3BO3) were purchased from Sigma-Aldrich (Steinheim, Germany). Membrane filters (nitrocellulose, 0.45 µm, 47 mm in diameter) were purchased from Sigma-Aldrich.
Scanning/transmission electron microscopy (TEM) images were acquired using FEI Nova NANOSEM 450 equipment (Thermo Fisher Scientific, Waltham, MA, USA) (resolution = 1 nm). Fourier transform infrared (FT-IR) spectra were collected using aIR Affinity-1S spectrophotometer (Shimadzu, Japan) in the attenuated total reflectance (ATR) mode and across the range of 4000–500 cm−1. The UV absorption spectra were measured by a double beam UV/vis spectrophotometer (model T80+, PG Instruments, Wibtoft, Leicestershire, UK). The pictures for the discrimination of TRP were taken with an Android smartphone with a 13 MP camera. Nanopure water was prepared by a Wasser Lab Ultramatic Plus (Type I) system (Barbatáin, Navarra, Spain) and used in all experiments.
Scanning/transmission electron microscopy (TEM) images were acquired using FEI Nova NANOSEM 450 equipment (Thermo Fisher Scientific, Waltham, MA, USA) (resolution = 1 nm). Fourier transform infrared (FT-IR) spectra were collected using aIR Affinity-1S spectrophotometer (Shimadzu, Japan) in the attenuated total reflectance (ATR) mode and across the range of 4000–500 cm−1. The UV absorption spectra were measured by a double beam UV/vis spectrophotometer (model T80+, PG Instruments, Wibtoft, Leicestershire, UK). The pictures for the discrimination of TRP were taken with an Android smartphone with a 13 MP camera. Nanopure water was prepared by a Wasser Lab Ultramatic Plus (Type I) system (Barbatáin, Navarra, Spain) and used in all experiments.
10
Synthesis and Characterization of DPM-AR and TPY-NHS
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The DPM-AR (Scheme 1 B) and the terpyridine-NHS (TPY–NHS) were synthesized at the Department of Chemistry, KU Leuven, Leuven. The procedure for synthesis was briefly described in the Supplementary Materials (Scheme S1) [23 (link)]. AHT, MBL, cobalt (II) acetate Co(OAc)2, dichloromethane (DCM), sodium chloride (NaCl), sodium sulfate (Na2SO4), sodium bromide (NaBr), sodium nitrate (NaNO3) and boric acid (H3BO3) were purchased from Sigma-Aldrich (Poznań, Poland). Potassium hydroxide (KOH), sulfuric acid (H2SO4), nitric acid (HNO3) and methanol (MeOH) were obtained from Avantor Performance Materials (Gliwice, Poland). All reagents were of analytical grade. All aqueous solutions were prepared with deionized and charcoal-treated water (resistivity of 18.2 MΩ cm) purified with a Milli-Q reagent grade water system (Millipore, Bedford, MA, USA). These solutions were deoxygenated by purging with nitrogen (ultrapure 6.0, Air Products, Warszawa, Poland) for 15 min.
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