Arsenic Test in Water
Arsenic Test in Water with blue colour appearance.
Key details
| Standard packing | 0.00 Box |
|---|---|
| Supply locations | Arsenic Test in 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 Arsenic Test in Water at a competitive price from us. We have ready stock of Arsenic Test in Water in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders. |
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<span style="font-family: TimesNewRomanPS; font-size: 13pt; font-weight: 700;">Procedure:</span></p>
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<span style="font-size: 13pt; font-family: TimesNewRomanPS; font-weight: 700;">. </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Preparing 20 ml of saturated solution of sodium bicarbonate with the </span><span style="font-family: TimesNewRomanPSMT; font-size: 13pt;">sample solution.</span></p>
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<span style="font-size: 13pt; font-family: TimesNewRomanPS; font-weight: 700;">. </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">2.5 ml of the above solution was taken in a test tube with a calibrated Pasteur pipette.</span></p>
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<span style="font-size: 13pt; font-family: TimesNewRomanPS; font-weight: 700;">. </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Adding 1 drop of starch indicator to the tube and stir well.</span><br />
<span style="font-size: 13pt; font-family: TimesNewRomanPS; font-weight: 700;">. </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Adding KI + I</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">2 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">solution drop wise with another pipette till a blue colour </span><span style="font-family: TimesNewRomanPSMT; font-size: 13pt;">of the solution appears.</span></p>
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<span style="font-size: 13pt; font-family: TimesNewRomanPS; font-weight: 700;">. </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Count the number of drops of KI + I</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">2 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">solution used. </span></p>
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<span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Calculation:<br />
Volume of KI + I</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">2 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">solution = no. of drops x value of pipette= V</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">1 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Normality of KI + I</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">2 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">solution = N</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">1</span><br />
<span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Volume of water = 2.5 mL = V</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">2</span><br />
<span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Amount of arsenic (mg/L) = V</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">1 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">x N</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">1 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">x 37.5 x 1000/V</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">2</span><br />
<span style="font-size: 13pt; font-family: TimesNewRomanPS; font-weight: 700;">Result: </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">The amount of arsenic in water is ________ mg/L.</span></p>
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<span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Note: The iodine solution may change in strength if it is not used for a long time.<br />
Just add two crystals of solid iodine just before use. ( This test can detect upto 5 x 10</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: 6pt;">-6 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">ppm of arsenic) </span></p>
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<span style="font-size: 13pt; font-family: TimesNewRomanPS; font-weight: 700;">Reagents: </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">Solid sodium bicarbonate, 0.00025N KI+I</span><span style="font-size: 9pt; font-family: TimesNewRomanPSMT; vertical-align: -2pt;">2 </span><span style="font-size: 13pt; font-family: TimesNewRomanPSMT;">solution, </span><span style="font-family: TimesNewRomanPSMT; font-size: 13pt;">Starch indicator</span></p>
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