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Silica Nanoparticles Synthesis by using Sodium Silicate and Ammonia via Sol-Gel Method

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Silica Nanoparticles Synthesis by using Sodium Silicate and Ammonia via Sol-Gel Method - InstaNANO. https://instanano.com/all/nanomaterial-synthesis/metal-oxide/silica-nanoparticles-1/ (accessed October 22nd, 2024).

Silica Nanoparticles Synthesis by using Sodium Silicate as precursor and Ammonia as reducing agent via Sol-Gel Method

  1. CHECK LIST
    Sodium silicate solution (containing around 8% Na2O and 28% SiO2), Ammonia Solution, Ethanol, Deionized Water, RB Flask, Magnetic stirrer, Centrifuge

  2. STEP 1.
    Add 1ml Sodium silicate in 15ml water.

  3. STEP 2.
    Make second solution by mixing 90ml Ammonia and 30ml Ethanol.

  4. STEP 3.
    Add Sodium Silicate solution (prepared in step-1) drop wide into Ammonia+Ethanol solution (prepared in step-2).

  5. STEP 4.
    After 1 hour of aging, wash and centrifuge the formed product. Finally dry it to get Silica Nanoparticles powder.

  6. RESULTS
    Size of the formed Silica Nanoparticles should be around 80nm. Broad peak around 24 two theta should be observed in XRD. FTIR consist of peaks at 1094–1100 cm−1 for Si–O–Si; and the band at 466–470 cm−1 for Si–O–Si.

  7. NOTE: All the experiments should be done under the guidance of lab Incharge; and proper lab safety instructions.

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