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Asamklorida atau HCl digunakan sebagai bahan kimia untuk meregenerasi resin kation yang sudah jenuh pada cation exchanger column, yang terdapat dalam fasilitas produksi air demineralisasi. HCl digunakan dalam proses produksi vinyl chloride, yaitu bahan baku pembuat plastik PVC atau polyvinyl chloride.
HClmerupakan Bahan Baku Sekunder (BBS) yang konsentrasinya tidak dapat dihitung secara teoritis, oleh karena itu perlu distandarisasi dengan BBP salah satunya dengan Boraks. Boraks dipilih karena merupakan garam normal bersifat sedikit basa sehingga dapat bereaksi dengan HCl, dan akan dihasilkan Asam Borat (H 3 BO 3). Oleh karena itu indikator yang dipakai adalah yang tidak terlalu dipengaruhi oleh Asam Borat tadi, yaitu Merah Methyl (MM) dengan TE berkisar pada pH ± 4,5 dan warna TA = sindur.
Preparation Take a 100 mL of purified water or water in 1000 mL volumetric flask. Add Approximately mL of 37% Concentrated HCL carefully. Add 700 mL water. Allow Solution to *cool down to Room Temperature. Make up the volume upto 1000 mL by water. * Because of Thermodynamic reaction volume may vary, so final volume shall be added after partial addition of volume. Calculation Molar mass for Hydrochloric Acid = g/molHCL specific gravity is Now, Grams of compound required = N * 1 Litre = gVolume of concentrated acid required = / x = mlTherefore, ml of concentrated HCL is required to prepare M HCL. Standardization 1. Standardization of N HCl Hydrochloric Acid with Sodium Carbonate Na2CO3 Accurately weigh to 1 g of Anhydrous Sodium Carbonate Na2CO3 in suitable dish or crucible and keep dry at 250°C for approximately 4 completion of the activity allow to cool in a weigh g of dried Sodium Carbonate Na2CO3 and transfer to 250 mL conical flask. Add 50 mL of water H2O, mix well, and allow to dissolve the 2 drops of solution of methyl red in alcohol as an with HCl Solution filled in Burette accurately. Result Clear solution on initial to yellow to peach pink on endpoint. Calculation Na2CO3 + 2HCl = 2NaCl + H2O + CO2. The equivalent weight wt. of Na2CO3 is half its molecular weight M. This means M/2 g of Na2CO3 is equivalent to 1000 ml of 1 N HCl. Calculate the molarity of HCl m mol HCl = m mol Na2CO3M * V HCl = M * V Na2CO3 * * V burette = * 5 * 2. Standardization of N HCl titrant with Trishydroxymethyl-aminomethane THAM or TRIS Accurately weight to g of Trishydroxymethyl-aminomethane THAM or TRIS HOCH23CNH2 in a suitable dish or crucible and keep for dry at 105°C for approximately 3 to 4 completion of activity allow to cool in weight g of dried THAM or TRIS and transfer to 250 mL conical flask. Add 50 mL of Water H2O which is ammonia and Carbon Dioxide free, mix well and allow to 2 drops of Bromocresol Green as an with HCl Solution filled in Burette accurately. Each mg tromethamine = 1 mL of M Hydrochloride acid HClMolarity of HCl = Wt. of TRIS/ * Burette Reading of HCL Read More Analytical Topic Formulation Topic Health Related Topic IVF Have any Query Click Here Contact Us Click Here
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