Acidity Test for Boiler - Cooling Water
Theory of Test, Apparatus Required, Chemical Required, Procedure for test, Calculation of Results, Limitations of Test
Acidity (Free Mineral)
Free mineral acidity (FMA) is present in a
MSDS not yet available online for this product — email us at muscatchem @ gmail.com and we'll send you a copy.
ACIDITY(FREE MINERAL) TITRIMETRIC METHOD (0-200 PPM)
Theory of Test, Apparatus Required, Chemical Required, Procedure for test, Calculation of Results, Limitations of Test
Acidity (Free Mineral)
Free mineral acidity (FMA) is present in a sample whenever its pH is less than 4.3. Although it is unusual to encounter a raw water containing free acidity when acidity is present, it is very significant since acids contribute to corrosiveness and influence certain chemical and biological processes. Note ::: Free acidity is due to the presence of acids such as sulfuric, nitric and hydrochloric and does not include carbonic acid formed by the combination of carbon dioxide and water. The effluent from a hydrogen zeolite exchange unit will also contain free acid in proportion to the cations present in the raw water.
Determination of the free acidity content of the hydrogen zeolite effluent controls the operating run of these units as well as indicates when regeneration is required.
Acidity (Free Mineral) Titrimetric Method (0-200 ppm)
Principle of Test
To determine free mineral acidity, the sample is titrated with a standard solution of sodium carbonate to a methyl orange end point (approximately pH 4.3). [Total acidity may be determined by titrant with the same titration to a phenolphthalein end point. (pH 8.3)].
Key facts
- Product
- Acidity Test for Boiler - Cooling Water
- Part No.
- RXSOL-62-5530-001
- Category
- Test Kit For Water
- Supplier
- Muscat Chemical, Barka, South Al Batinah, Oman
- Delivery
- Muscat, Sohar, Salalah, Duqm, Nizwa, Sur, Barka and Gulf ports
- Documents
- MSDS and TDS on request
- Pricing
- Quote on request — contact us or WhatsApp +968 77333599
Apparatus Required
Buret, 25 ml - 1
Casserole, 210 ml - 1
Cylinder, graduated, 50 ml - 1
Stirring glass rod - 1
Chemicals Required
Methyl Orange Indicator ::: Part No RXSOL-60-6160-500
Sodium Carbonate, 0.02N ::: Part No. RXSOL-60-6147-500
Water Testing Procedures Manual ::: Available with us at 2700 INR or 54 US$ or 207 AED
Dosage
Procedure For Test
Measure a clear 50-ml sample of water in the graduated cylinder and transfer to the casserole. Add 4 drops of methyl orange indicator. Titrate from the buret with standard 0.02N sodium carbonate until, the color changes from pink to yellow. Record the volume (ml) of sodium carbonate required. Calculation of Results
FORMULA : ppm FMA CaCO3 = Ml 0.02N sodium carbonate x 1000 / ml sample
Using a 50 ml sample, the free mineral acidity in ppm CaCO3 is equal to ml of 0.02N sodium carbonate multiplied by 20.
FMA : Free mineral acidity
Supply Locations
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