<h1>Ammonium Test Strips 0.2-7.0 ppm Reflectoquant 50 PK *Req RQflex 10 #16950-1 HAZMAT fee incl -- Gallade Chemical Shopping Cart</h1> <i><a href="http://galladechem.com/freeship.htm" target="_blank"><img src="https://www.nexternal.com/gallade/images/freeship_truck.gif" width="160" height="12" border="0"></a></i> <p> <img src="https://store.nexternal.com/gallade/images/Reflectoquant_Equipment_new3.jpg" align="right" alt="Ammonium Test Strips 0.2-7.0 ppm Reflectoquant 50 PK *Req RQflex 10 #16950-1 HAZMAT fee incl" name="Ammonium Test Strips 0.2-7.0 ppm Reflectoquant 50 PK *Req RQflex 10 #16950-1 HAZMAT fee incl" border="0" hspace="10" /> <strong>REFLECTOQUANT&#174; Ammonium Test Strips, 0.2-7.0 ppm, 16892</strong> <br /><br /><strong>Additional Production Information</strong> <br />Method: Reflectometric <br />Color Reaction: NH+4 ions react with a chlorinating agent to form monochloramine. This in turn reacts with a phenol compound to form a blue indophenol derivative, the concentration of which is determined reflectometrically. <br />Measuring Range: 0.2-7.0ppm <br />Determinations: 50 <br />Storage Conditions: +2 to +8&#176;C <br />Shelf Life: 24 months (from day of production) <p><a href="http://www.emdchemicals.com/analytics/doc/msds/MSDSU_16892.htm" target="_blank">MSDS Material Safety Data Sheet PDF</a><br /><br />16892 Reflectoquant&#174; Ammomium Test<br />1. Method<br />NH4+ ions react with a chlorinating agent to form monochloramine. This in turn reacts with a phenol compound to form a blue indophenol derivative, the concentration of which is determined reflectometrically.</p> <p>2. Measuring Range and Number of Determinations<br />Measuring range1) Number of Determinations <br />&lt;0.2 - 7.0 mg/l NH4+0.16 - 5.4 mg/l N11.1 - 388 mmol/m3 NH4 or N 50 </p> <p>1) for conversion factors see section 8</p> <p>for measurement of concentrations &gt; 7.0 mg/l NH4+ see section 6</p> <p>3. Applications<br />Sample Material:<br />Wastewater</p> <p>Soils and fertilizers</p> <p>Food (meats and sausages)</p> <p>4. Influence of Foreign Substances<br />This was checked - in the case of interfering ions up to concentrations of 1,000 mg/l - in solutions containing 5 and 0 mg/l NH4+. The concentrations of foreign substances given in the table lie below the limit at which the determination is interfered with:</p> <p>Concentrations of foreign substances in mg/l or %</p> <table cellpadding="4" width="50%" align="left" border="1"> <tbody> <tr> <td valign="top" align="left">Al<sup>3+</sup> 1,000<br /><br />Ascorbate 100<br /><br />BO<sub>3</sub><sup>3&#8211;</sup> 1000<br /><br />Br<sup>&#8211;</sup> 1,000<br /><br />Ca<sup>2+</sup> 1,000<br /><br />Citrate 1,000<br /><br />Cl<sup>&#8211;</sup> 1,000<br /><br />CN<sup>&#8211;</sup> 1<br /><br />CO<sub>3</sub><sup>2&#8211; </sup>1,000<br /><br />Cr<sup>3+</sup> 100<br /><br />CrO<sub>4</sub><sup>2&#8211;</sup> 100<br /><br />Cu<sup>2+</sup> 100</td> <td valign="top" align="left">Fe<sup>2+</sup> 10<br /><br />Fe<sup>3+ </sup>100<br /><br />K<sup>+</sup> 1,000<br /><br />Mg<sup>2+</sup> 1,000<br /><br />Mn<sup>2+</sup> 100<br /><br />Ni<sup>2+ </sup>1,000<br /><br />NO<sub>2</sub><sup>&#8211;</sup> 50<br /><br />NO<sub>3</sub><sup>&#8211; </sup>1,000<br /><br />Oxalate 1,000<br /><br />PO<sub>4</sub><sup>3&#8211;</sup> 1,000<br /><br />SO<sub>3</sub><sup>2&#8211;</sup> 100<br /><br />Tartrate 1,000</td> <td valign="top" align="left">EDTA 1,000<br /><br />Anionic<br /><br />surfactant<sup>1</sup>)1,000<br /><br />Cationic<br /><br />surfactants<sup>2</sup>)1,000<br /><br />Nonionic<br /><br />surfactants<sup>3</sup>) 100<br /><br />H<sub>2</sub>O<sub>2</sub> 10<br /><br />Na<sub>2</sub>SO<sub>4</sub> 5%</td> </tr> </tbody> </table><p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>1) tested with Na-dodecyl sulfate<br />2) tested with N-cetylpyridinium chloride<br />3) tested with polyvinylpyrrolidone</p> <p>5. Reagents and Auxiliaries<br />Please Note the Warnings on Labels! <br />Store original sealed pack in refrigerator.</p> <p>Opened pack: store closed tube outside refrigerator in a cool and dry place.</p> <p>The analytical test strips are stable at least up to the date stated on the pack when stored under these conditions.</p> <p>Package Contents:<br />Tube containing 50 analytical test strips<br />Bar code strip<br />1 bottle of reagent NH4 &#8211;1<br />1 bottle of reagent NH4 &#8211;2<br />1 test vessel with stopper</p> <p>Other reagents:<br />Catalog No. Description Size <br />10024-1 EM Quant&#174; Ammonium Test Strips and Reagent, 10-400 ppm, NH4+ 100 determinations <br />9590-3 colorpHast&#174; pH-Test Strips (non-bleeding), 0-14 6 pk x 100 determinations <br />SX0607H-6 Titristar&#174;Sodium Hydroxide Solution 1 N 1 lt <br />SX1243H-6 Titristar&#174;Sulfuric Acid Solution 0.5 N 1 lt <br />19812-1 Ammonium Ion Standard Solution, 1000 mg/l 500 ml </p> <p>6. Preparation<br />Check whether the ammonium content is within the measuring range <br />Use the EM Quant&#174; Ammonium Test as a guide. Samples containing more than 7.0 mg/l NH4+ must be diluted with distilled water. <br />&#183; The pH must be within the range 4-13. Check with universal indicator strips. If pH is lower than 4, add sodium hydroxide solution dropwise; if greater than 13, add sulfuric acid dropwise.</p> <p>7. Procedure<br />&#183; Observe the instructions for the RQflex Reflectometer.</p> <p>The following applies to the Ammonium Test:</p> <p>Measurement procedure A. Stored reaction time: 480 sec.</p> <p>Rinse the test vessel several times with the pretreated sample solution (20-30&#176;C). Then fill to the 5-ml mark. <br />Add 10 drops of reagent NH4 - 1 and swirl. <br />Add 1 level blue microspoon (in the cap of the NH4- bottle) of reagent NH4 -2 and swirl to dissolve. <br />Remove 1 analytical test strip and immediately close the tube. <br />Press START button of the reflectometer and at the same time place the test strip in the measurement solution for 8 minutes so that both reaction zones are completely wetted. <br />As soon as the beeper sounds (10 sec before end of reaction time), remove the test strip from the solution and vigorously shake off excess liquid. Immediately insert the test strip all the way into the strip adapter with the reaction zones facing the display. <br />Read off the result from the display in mg/l NH4+. The result is automatically stored. <br />Notes:<br />If the test strip is inserted into the adapter after the reaction time has expired, renewed depression of the START button may result in a false reading of the ammonium concentration. <br />At the end of each workday, cleanse the strip adapter thoroughly with water or ethanol. <br />8. Conversions<br />units required = units given x conversion factor</p> <table border="1"> <tbody> <tr> <td valign="top" align="left"><p>mmol/m<sup>3</sup>NH<sub>4</sub><sup>+</sup><br /><br />or N<br /><br />mg/l N<br /><br />mg/l NH<sub>4</sub><sup>+</sup></p> </td> <td valign="top" align="left"><p>mg/l NH<sub>4</sub><sup>+</sup><br /><br />mmol/m<sup>3</sup> NH<sub>4</sub><sup>+</sup><br /><br />or N<br /><br />mg/l N</p> </td> <td valign="top" align="left"><p>55.4<br /><br />0.777<br /><br />0.0180<br /><br />1.29</p> </td> </tr> </tbody> </table><p>9. Method control<br />To check analytical test strips, equipment and procedure:</p> <p>Dilute ammonium standard solution to 2.5 mg/l NH4+ and analyze as described in section 7.</p> <p>&nbsp;</p> <p>&nbsp;</p> </p> <p> <ul style="padding-left: 15px"> <li>Gallade Part#: 168921</li> <li>Mfr Part#: 16892-1</li> <li>Brand: EMD Chemicals EM Science</li> <li>Container: 1 PK of 50 Strips</li> <li>Misc: HAZMAT UN1824 PGII CORROSIVE</li> </ul> </p> <p><b>Other products in the category <a href="http://store.galladechem.com/Category5" title="Chemicals for Laboratory">Chemicals for Laboratory</a> / <a href="http://store.galladechem.com/Category81" title="Test Kits/Strips">Test Kits/Strips</a>:</b> <br clear="left"><br /><a href="http://store.galladechem.com/Product16344" title="Alcohol Test Strips 50/each Reflectoquant 1 EA *Requires RQflex 10 EMD# 16950-1"><img src="https://store.nexternal.com/gallade/images/Reflectoquant_Equipment_new.jpg" width="68" align="left" alt="Alcohol Test Strips 50/each 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