Amorphous silica NPs ~20 nm in diameter were prepared using rice husk ash as per the procedure of Sankar et al. [29 (link)] with a few modifications. The detail of the synthesis of the SiO2 NPs was described in our previous report [30 (link)]. Other chemicals, including copper sulphate pentahydrate (CuSO4.5H2O, 98%) and hydrazine mono hydrate (N2H4.H2O, 80%), were purchased from Merck (Darmstadt, Hesse, Germany). Carboxymethyl cellulose (CMC) and ammonium hydroxide (NH4OH, 25%) were purchased from Xilong Scientific Company (Shantou, Guangdong, China). The P. capsici was supplied by the Pepper Research and Development Centre, Western Highland Agriculture and Forestry Science Institute (Buon Ma Thuot City, Dak Lak, Vietnam).
Hydrazine monohydrate n2h4 h2o
Manufactured by Merck Group
Sourced in Germany, India, United States
Hydrazine monohydrate (N2H4·H2O) is a chemical compound used as a laboratory reagent. It serves as a reducing agent and can be utilized in various analytical and synthetic applications within a controlled laboratory environment.
Automatically generated - may contain errors
Lab products found in correlation
Ethanol, by Merck Group (2 mentions)
Copper sulphate pentahydrate cuso4.5h2o, by Merck Group (1 mentions)
Iron 2 chloride tetrahydrate, by Thermo Fisher Scientific (1 mentions)
Cobalt 2 chloride hexahydrate, by Merck Group (1 mentions)
Nickel 2 chloride hexahydrate, by Thermo Fisher Scientific (1 mentions)
Phosphorous pentoxide p2o5, by Merck Group (1 mentions)
Sodium dodecyl sulfate (sds), by Merck Group (1 mentions)
Zinc phthalocyanine znpc, by Merck Group (1 mentions)
Graphite flake, by Thermo Fisher Scientific (1 mentions)
Hydrogen peroxide h2o2, by Merck Group (1 mentions)
Ortho phosphoric acid h3po4, by Merck Group (1 mentions)
Hydrochloric acid (hcl), by Merck Group (1 mentions)
Luria bertani medium, by HiMedia (1 mentions)
Sodium borohydride nabh4, by Merck Group (1 mentions)
Phosphoric acid h3po4, by Merck Group (1 mentions)
Sulfuric acid h2so4, by Thermo Fisher Scientific (1 mentions)
Potassium permanganate kmno4, by Thermo Fisher Scientific (1 mentions)
Hydrochloric acid (hcl), by Thermo Fisher Scientific (1 mentions)
Chloroform, by Merck Group (1 mentions)
Hydrogen peroxide h2o2, by Chem-Lab (1 mentions)
6 protocols using hydrazine monohydrate n2h4 h2o
1
Synthesis of Amorphous Silica Nanoparticles
2
Synthesis of Fe-Co-Ni Ternary Alloy Powders
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Iron (II) chloride tetrahydrate (FeCl2·4H2O, 98%) and nickel (II) chloride hexahydrate (NiCl2·6H2O, 98%) from Alfa Aesar, cobalt (II) chloride hexahydrate (CoCl2·6H2O, 98%) and ethanol (EtOH, 99%) from Sigma Aldrich, hydrazine monohydrate (N2H4·H2O, 80% solution in water) from Merck, sodium hydroxide (NaOH) pellets from Schedelco and purified water (Type II+, Elga) were used as received. Sodium hydroxide pellets were dissolved in purified water to form a 4 M solution.
In a typical experiment for the synthesis of Fe–Co–Ni powder, the appropriate amounts of FeCl2·4H2O, CoCl2·6H2O and NiCl2·6H2O for a given ternary alloy composition were weighed, placed in a flask and stirred vigorously until the metal chlorides dissolved in the solvent (consisting of EtOH and purified water in the ratio 3:1). A 4 M NaOH solution was then added, followed by hydrazine monohydrate. The molar ratio of metal chlorides to NaOH to hydrazine monohydrate was approximately 1:2.5:16. The flask was then sealed, with a needle inserted to allow the evolved gases to vent, and the temperature was maintained at ~ 60 °C for 1 h. The black particles which formed were washed a few times with ethanol to remove the by-products. A permanent magnet was used to collect the black particles, which were then placed in a vacuum oven to form dry powders. The conversion yield to powders from each synthesis was more than 90%.
In a typical experiment for the synthesis of Fe–Co–Ni powder, the appropriate amounts of FeCl2·4H2O, CoCl2·6H2O and NiCl2·6H2O for a given ternary alloy composition were weighed, placed in a flask and stirred vigorously until the metal chlorides dissolved in the solvent (consisting of EtOH and purified water in the ratio 3:1). A 4 M NaOH solution was then added, followed by hydrazine monohydrate. The molar ratio of metal chlorides to NaOH to hydrazine monohydrate was approximately 1:2.5:16. The flask was then sealed, with a needle inserted to allow the evolved gases to vent, and the temperature was maintained at ~ 60 °C for 1 h. The black particles which formed were washed a few times with ethanol to remove the by-products. A permanent magnet was used to collect the black particles, which were then placed in a vacuum oven to form dry powders. The conversion yield to powders from each synthesis was more than 90%.
3
Synthesis and Characterization of Zinc Phthalocyanine
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Hydrochloric acid (HCl) (37%), hydrogen peroxide (H2O2) (50%), sodium hydroxide (NaOH), sodium chloride (NaCl), potassium permanganate (KMnO4), sulfuric acid (H2SO4) (98%), 125 mm filter paper (grade-1), acetone (CH3COCH3) and ortho-phosphoric acid (H3PO4) (84%) were obtained from Merck (India). Phosphorous pentoxide (P2O5), sodium dodecyl sulfate (SDS) and hydrazine monohydrate (N2H4·H2O) (98%) were obtained from Sigma-Aldrich (India). Zinc phthalocyanine (ZnPc) (MW = 577.91 g mol−1; dye content 97%) was purchased from Sigma-Aldrich (Germany). Graphite flakes (99.99%) were obtained from Alfa Aesar (India). Indium tin oxide (ITO)-coated glass substrates were procured from Macwin (India). The ITO-coated glass substrates were cut into 1 × 1 cm2 pieces and served as the substrate for the ZnPc deposits. Luria–Bertani (LB) medium was purchased from Himedia (India). Parafilm wax paper was obtained from Tarsons (India). The aforementioned chemicals were of analytical grade and were used without further purification. Milli-Q grade water was used in the experiments.
4
Synthesis and Characterization of Graphene Oxide
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Graphite powder with particle size <20 μm (CAS 7782-42-5), the starting material for the synthesis of GO, was procured from Sigma-Aldrich. Sulfuric acid (H2SO4) (CAS 7664-93-9, >95% pure) was purchased from Fisher Scientific. Phosphoric acid (H3PO4) (CAS 7664-38-2, ≥85 wt % in H2O), sodium borohydride (NaBH4) (CAS 16940-66-2, 99% pure), hydrazine monohydrate (N2H4·H2O) (CAS 7803-57-8, N2H4 64–65%, 98% pure), ethanol (CAS 64-17-5, ≥99.8% pure) and chloroform (CAS 67-66-3, ≥99% pure) were bought from Sigma-Aldrich. Potassium permanganate (KMnO4) (CAS 7722-64-7, 98% extra pure) and hydrochloric acid (HCl) (CAS 7732-18-5, 37% solution in H2O) were obtained from Acros Organics. Hydrogen peroxide (H2O2) 35 wt % solution (CAS 7722-84-1) was provided by Chem-Lab NV. Poly (ethylene oxide) with average Mv = 600,000 (CAS 25322-68-3, 200–500 ppm BHT as inhibitor), the base polymer matrix for the preparation of the polymer nanocomposites, was obtained from Sigma-Aldrich (Overijse, Belgium).
5
Graphite Oxide Synthesis Protocol
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Expandable graphite (Grade 1721, Asbury, NJ, USA) was kindly provided by Asbury Carbon. Concentrated sulfuric acid (H2SO4), potassium permanganate (KMnO4), hydrochloric acid (HCl), and hydrogen peroxide (H2O2) were purchased from Samchun Chemical (Gyeonggi-do, Korea). Hydrazine monohydrate (N2H4∙H2O) and KOH was purchased from Sigma-Aldrich (St. Louis, MO, USA). All chemicals were used as received without further purification.
6
Wet Spinning of PAN and Wool/PAN Fibers
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The control PAN fibres (100% PAN) and wool/PAN composite fibres (25% wool) were produced using the wet spinning technique, as reported previously [19 (link)]. Sulfuric acid (H2SO4, 98%), expandable graphite, potassium permanganate (KMnO4), hydrochloric acid (HCl, 32%), hydrogen peroxide (H2O2, 30%), and hydrazine monohydrate (N2H4·H2O) were purchased from the Sigma-Aldrich, New South Wales, Australia. All the chemicals were of analytical grade and thus used as received.
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