Lab Chemical
Sulphuric Sulfuric Acid LR 500 ML
SKU: RXSOL-60-2432-500
Sulfuric Acid is a strong acid in terms of chemical ionization and solutions of it can be assayed using a strong base, such as Sodium Hydroxide or Potassium Hydroxide. The endpoint can be determined potentiometrically or by using a pH indicator. The selection of the indicator used depends on the initial concentration of the Sulfuric Acid and the strength of the alkali used. This is due to the fact that the Normalities of the acid and the base affect the shape of the neutralization curve that results during the titration.The sulphuric acid manufactured by us has unique features. It has a bright yellow colour and is of Russian Grade/ gost 127. 1-93. Its refinery speciation is as follows.Purified sulphuric acid manufactured by various filteration process with unique features.
Application
Purified sulphuric acid manufactured by various filteration process by unique features.
Dosage
When both acid and base are 1 Normal in concentration, indicators with effective ranges between pH 3 and 10.5 can be used. Suitable indicators include Methyl Orange, Bromocresol Green, Methyl Red, Methyl Purple, Bromothymol Blue, Phenol Red, Phenolphthalein and Thymolphthalein. When both the acid and base are 0.1 Normal, the ideal pH range is reduced to 4.5 to 9.5. Thus, Methyl Orange and Thymolphthalein are not as suitable as the others. With 0.01 Normal solutions, the ideal pH range is further limited to 5.5 - 8.5. See the indicator list and pH chart in the back of this catalog for details on suitable ranges for various indicators.
A basimetric standard such as Tris(hydroxymethyl)aminomethane can also be used to standardize Sulfuric Acid solutions. Methyl Red is a suitable indicator.
Technical Specifications
Appearance and Odor: Odorless, clear to amber, heavy, oily liquid. A pungent odor may exist if certain impurities Appearance and Odor:Appearance and Odor: Odorless, clear to amber, heavy, oily liquid. A pungent odor may exist if certain impurities are present in the acid. The sulphuric acid manufactured by us has unique features. It has a bright yellow colour and is of Russian Grade/ gost 127. 1-93. Its refinery speciation is as followsThe sulphuric acid manufactured by us has unique features. It has a bright yellow colour and is of Russian Grade/ gost 127. 1-Physical State: Liquid
Molecular Weight: 98.08
Minimum Assay (acidimetric) 98.0%
Odor Threshold: Not applicable
Boiling Point: 78%: 193°C (380°F)
93%: 276°C (529°F)
98%:330°C (626°F)
Melting/Freezing Point: 78%: -11.2°C (+11.6°F)
93%: -29.5°C (-21.1°F)
98%: -1.1°C (30°F)
Vapor Pressure at 40°C (102°F): 78%: 1.2 mmHg
93%: 0.0016 mmHg
98%: 0.002 mmHg
Specific Gravity at 15°C (60°F): 78%: 1.7059
93%: 1.8354
98%: 1.8437
Vapor Density: (Air=1): 3.4
Evaporation Rate: Not applicable
Solubility: Easily soluble in cold water (with liberation of much heat.)
Soluble in ethyl alcohol.
|
Maximum Limits of Impurities |
|
|
Non-volatile matter |
0.002% |
|
Chloride (Cl) |
0.00002% |
|
Nitrate (NO3) |
0.00002% |
|
Ammonium (NH4) |
0.0002% |
|
Arsenic (As) |
0.000005% |
|
Copper (Cu) |
0.00001% |
|
Iron (Fe) |
0.0001% |
|
Lead (Pb) |
0.0001% |
|
Selenium (Se) |
0.001% |
|
Substances reducing |
- |
|
Permanganate (O) |
0.0001% |
pH: 0.3 (1N solution at 25°C/78°F) Odorless, clear to amber, heavy, oily liquid. A pungent odor may exist if certain impurities are present in the acid.
Physical State: Liquid
Molecular Weight: 98.08
Odor Threshold: Not applicable
Boiling Point: 78%: 193°C (380°F)
93%: 276°C (529°F)
98%:330°C (626°F)
Melting/Freezing Point: 78%: -11.2°C (+11.6°F)
93%: -29.5°C (-21.1°F)
98%: -1.1°C (30°F)
Vapor Pressure at 40°C (102°F): 78%: 1.2 mmHg
93%: 0.0016 mmHg
98%: 0.002 mmHg
Specific Gravity at 15°C (60°F): 78%: 1.7059
93%: 1.8354
98%: 1.8437
Vapor Density: (Air=1): 3.4
Evaporation Rate: Not applicable
Solubility: Easily soluble in cold water (with liberation of much heat.)
Soluble in ethyl alcohol.
pH: 0.3 (1N solution at 25°C/78°F)Appearance and Odor: Odorless, clear to amber, heavy, oily liquid. A pungent odor may exist if certain impurities are present in the acid.
Physical State: Liquid
Molecular Weight: 98.08
Odor Threshold: Not applicable
Boiling Point: 78%: 193°C (380°F)
93%: 276°C (529°F)
98%:330°C (626°F)
Melting/Freezing Point: 78%: -11.2°C (+11.6°F)
93%: -29.5°C (-21.1°F)
98%: -1.1°C (30°F)
Vapor Pressure at 40°C (102°F): 78%: 1.2 mmHg
93%: 0.0016 mmHg
98%: 0.002 mmHg
Specific Gravity at 15°C (60°F): 78%: 1.7059
93%: 1.8354
98%: 1.8437
Vapor Density: (Air=1): 3.4
Evaporation Rate: Not applicable
Solubility: Easily soluble in cold water (with liberation of much heat.)
Soluble in ethyl alcohol.
pH: 0.3 (1N solution at 25°C/78°F)
Physical State: Liquid
Molecular Weight: 98.08
Odor Threshold: Not applicable
Boiling Point: 78%: 193°C (380°F)
93%: 276°C (529°F)
98%:330°C (626°F)
Melting/Freezing Point: 78%: -11.2°C (+11.6°F)
93%: -29.5°C (-21.1°F)
98%: -1.1°C (30°F)
Vapor Pressure at 40°C (102°F): 78%: 1.2 mmHg
93%: 0.0016 mmHg
98%: 0.002 mmHg
Specific Gravity at 15°C (60°F): 78%: 1.7059
93%: 1.8354
98%: 1.8437
Vapor Density: (Air=1): 3.4
Evaporation Rate: Not applicable
Solubility: Easily soluble in cold water (with liberation of much heat.)
Soluble in ethyl alcohol.
pH: 0.3 (1N solution at 25°C/78°F)
