1. Weigh 0,1 g of dry ultra pure sodium nitrite (NaNO2) on a metrologically checked analytical balance.
2. Dissolve the weighed sodium nitrite in 1oo mL distilled water in a 1 L volumetric flask.
3. Put the volumetric flask in a water bath at 20 0C and maintain at this temperature 30 min.
4. Add slowly distilled water up to the mark.
5. Put the cap on the flask and stir vigorously 1 min.
6. Transfer the solution in a glass or plastic container.
7. Attach a label with: name and concentration of the solution, data, name of the operator.
To prepare a 1000 ppm sodium nitrite solution, you would need to weigh out the appropriate amount of sodium nitrite powder and dissolve it in a specific volume of water to achieve a concentration of 1000 ppm (parts per million). For example, to make 1 liter of a 1000 ppm sodium nitrite solution, you would dissolve 1 gram of sodium nitrite in 999 milliliters of water.
To prepare a 1000 ppm nitrate solution from sodium nitrate, you would dissolve a specific amount of sodium nitrate in a known volume of water. For example, to prepare 1 liter of a 1000 ppm nitrate solution, you would dissolve 1 gram of sodium nitrate in 1 liter of water. Make sure to accurately weigh the sodium nitrate and dissolve it completely in the water to achieve the desired concentration.
1 ppm means 1 mg/l so 1000 ppm means 1000 mg/l or 1gm/l , FW of sodium arsenite NaAsO2 is 130 ans As is 75 75 gm of arsenite is present in 130 gm sodium arsenite 1 gm---------------will be---------130/75= 1.73 gm so if 1.73 gm of sodium arsenite is present in 1 litre of water it makes 1000 ppm solution of arsenite
To prepare 1000 ppm (parts per million) solution of bromate from potassium bromate, you will need to dissolve 1 gram of potassium bromate in 1 liter of water. This will give you a solution with a concentration of 1000 ppm of bromate.
To prepare a 5 ppm sodium hydroxide solution, you would need to dissolve a small amount of sodium hydroxide in a larger volume of water. For example, to make 1 liter of 5 ppm solution, you would add 5 mg of sodium hydroxide to the water. It's crucial to accurately measure both the sodium hydroxide and the water to ensure the final concentration is correct.
To prepare a 1000 ppm sodium nitrite solution, you would need to weigh out the appropriate amount of sodium nitrite powder and dissolve it in a specific volume of water to achieve a concentration of 1000 ppm (parts per million). For example, to make 1 liter of a 1000 ppm sodium nitrite solution, you would dissolve 1 gram of sodium nitrite in 999 milliliters of water.
To prepare a 1 ppb sodium solution from a 1000 ppm sodium standard, you can dilute 1 mL of the 1000 ppm sodium standard with 999 mL (or 999 g) of solvent. This will result in a final solution with a concentration of 1 ppb, as 1 mL is equivalent to 1 mg in this case.
To prepare a 1000 ppm chloride solution from sodium chloride, first calculate the mass of sodium chloride needed using the formula: (ppm concentration * volume of solution in liters) / 1000. Then dissolve this calculated mass of sodium chloride in the desired volume of water to make the solution. Finally, ensure the solution is thoroughly mixed before testing the concentration with appropriate methods.
To prepare a 1000 ppm sodium solution from sodium chloride, first calculate the molecular weight of sodium chloride (NaCl). Then, dissolve the calculated amount of NaCl in a known volume of water to achieve a final concentration of 1000 ppm (1 mg/L). Make sure to accurately measure the mass of NaCl and volume of water to ensure the desired concentration is reached.
To prepare a 1000 ppm nitrate solution from sodium nitrate, you would dissolve a specific amount of sodium nitrate in a known volume of water. For example, to prepare 1 liter of a 1000 ppm nitrate solution, you would dissolve 1 gram of sodium nitrate in 1 liter of water. Make sure to accurately weigh the sodium nitrate and dissolve it completely in the water to achieve the desired concentration.
To prepare a 0.2 ppm solution from a 1000 ppm solution, you would need to dilute the 1000 ppm solution by adding 5000 parts of solvent for every 1 part of the 1000 ppm solution. This means mixing 1 part of the 1000 ppm solution with 5000 parts of solvent to achieve a 0.2 ppm concentration.
Sodium is separated from sodium chloride by electrolysis.
total gram of KH2AsO4 = 180.033 1gram of As = 33 Arsenic ratio in KH2AsO4; 180.033/33= 5.45 gram However, 5.45 gram of KH2AsO4 add to volumetric flask and exactly dilute with 1000 ml pure water.
To prepare a 100 ppm fluoride standard from sodium fluoride, you would dissolve an appropriate amount of sodium fluoride in a known volume of water. For example, to make 1 liter of 100 ppm fluoride solution, you would dissolve 0.1 grams of sodium fluoride in 1 liter of water.
1 ppm means 1 mg/l so 1000 ppm means 1000 mg/l or 1gm/l , FW of sodium arsenite NaAsO2 is 130 ans As is 75 75 gm of arsenite is present in 130 gm sodium arsenite 1 gm---------------will be---------130/75= 1.73 gm so if 1.73 gm of sodium arsenite is present in 1 litre of water it makes 1000 ppm solution of arsenite
To prepare 1000 ppm (parts per million) solution of bromate from potassium bromate, you will need to dissolve 1 gram of potassium bromate in 1 liter of water. This will give you a solution with a concentration of 1000 ppm of bromate.
To prepare a 1000 ppm (parts per million) solution of KMnO4 (potassium permanganate), you need 1000 mg of KMnO4 per liter of solution. Since 1 gram equals 1000 mg, you would need 1 gram of KMnO4 dissolved in enough water to make a final volume of 1 liter. Therefore, to prepare a 1000 ppm solution, dissolve 1 gram of KMnO4 in 1 liter of water.