IGEM:American University/2009/Notebook/CHEM 672/2017/02/14: Difference between revisions
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(Autocreate 2017/02/14 Entry for IGEM:American_University/2009/Notebook/CHEM_672) |
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== | ==Preparation of stock solutions== | ||
* | * Stock samples: | ||
1. Zn (CH3COO)2: | |||
• Mass: 0.0548 g | |||
• 50 mL volumetric flask | |||
• Concentration: 5 mM | |||
2. NH4 (CH3COO): | |||
• Mass: 0.0385 g | |||
• 100 mL volumetric flask | |||
• Concentration: 5 mM | |||
3. Na2S: | |||
• Mass: 0.0390 g | |||
• 100 mL volumetric flask | |||
• Concentration: 5 mM | |||
4. CH3COOH: | |||
Concentrated Reagent: Acetic Acid 99.5 %, Molarity: 17.5 mol/L | |||
• Volume: 28.7 µL | |||
• 50 mL volumetric flask | |||
• Concentration: 10 mM | |||
• Volume: 287 µL | |||
• 50 mL volumetric flask | |||
• Concentration: 100 mM | |||
5. NH4OH: | |||
Concentrated Reagent: Ammonium Hydroxide 30%, Density: 0.895 g/mL | |||
• Volume: 39.150 µL | |||
• 100 Ml volumetric flask | |||
• Concentration: 10 mM | |||
6. NaOH: | |||
• Mass: 0.2 g | |||
• 50 mL volumetric flask | |||
• Concentration: 100 mM | |||
. | |||
Revision as of 12:21, 18 February 2017
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Preparation of stock solutions
1. Zn (CH3COO)2: • Mass: 0.0548 g • 50 mL volumetric flask • Concentration: 5 mM 2. NH4 (CH3COO): • Mass: 0.0385 g • 100 mL volumetric flask • Concentration: 5 mM 3. Na2S: • Mass: 0.0390 g • 100 mL volumetric flask • Concentration: 5 mM 4. CH3COOH: Concentrated Reagent: Acetic Acid 99.5 %, Molarity: 17.5 mol/L • Volume: 28.7 µL • 50 mL volumetric flask • Concentration: 10 mM • Volume: 287 µL • 50 mL volumetric flask • Concentration: 100 mM 5. NH4OH: Concentrated Reagent: Ammonium Hydroxide 30%, Density: 0.895 g/mL • Volume: 39.150 µL • 100 Ml volumetric flask • Concentration: 10 mM
• Mass: 0.2 g • 50 mL volumetric flask • Concentration: 100 mM .
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