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Acidity Test for Boiler - Cooling Water

Product Code: RXSOL-62-5530-001

Categories: Test Kit For Water-62
Product Short Description: Acids contribute to corrosiveness and influence certain chemical and biological processes so control of ACIDITY in water system must be required.
Product Description:

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)].

Product Application:

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

Product Dose:

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

Product Note:

Limitations of Test

Colored or turbid samples may obscure color change at the end point.  A pH meter may be used as an indicator in these situations with titration to pH 4.3.  The pH meter should be calibrated prior to use by an appropriate standard buffer. Free available chlorine in the sample may bleach the indicator.  This source of interference may be eliminated by treating the sample with one drop of 0.1N sodium thiosulfate. 

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Acidity Test for Boiler - Cooling Water manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai, Sharjah, UAE, Gulf, Middle East, Muscat Oman, Kenya Africa. Get the best quality of Acidity Test for Boiler - Cooling Water at a competitive price from us. We have ready stock of Acidity Test for Boiler - Cooling Water in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.

Free Delivery / Supply Locations

Oman, Bahrain, Abu Dhabi, Ajman, Al Ain, Dubai, Ras Al-Khaimah, Fujairah, Sharjah, Umm Al Quwain, Ruwais, Mina Zayed, Khalifa Port, Kizad, Jebel Ali, Port Rashid, Khor Fakkan, Sharjah Creek, Port of Hamriyah, Mussafah Port, Saqr Port, Dibba Port, Jebel Dhanna, Mina Al Hamriya, and all major UAE ports.