Ammonium Test Strips 20-180 ppm Reflectoquant 1 PK *Req RQflex 10 EMD# 16950-1 HAZMAT fee incl (Chemicals for Laboratory / Test Kits/Strips) -- Gallade Chemical Shopping Cart -- incl fee HAZMAT 16950-1 EMD# 10 RQflex *Req PK 1 Reflectoquant ppm 20-180 Strips Test Ammonium

<h1>Ammonium Test Strips 20-180 ppm Reflectoquant 1 PK *Req RQflex 10 EMD# 16950-1 HAZMAT fee incl -- Gallade Chemical Shopping Cart</h1> <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> <img src="https://store.nexternal.com/gallade/images/Reflectoquant_Equipment_new5.jpg" align="right" alt="Ammonium Test Strips 20-180 ppm Reflectoquant 1 PK *Req RQflex 10 EMD# 16950-1 HAZMAT fee incl" name="Ammonium Test Strips 20-180 ppm Reflectoquant 1 PK *Req RQflex 10 EMD# 16950-1 HAZMAT fee incl" border="0" hspace="10" /> REFLECTOQUANT® Ammonium Test Strips, 20-180 ppm, 16977 Additional Production Information Method: Reflectometric Color Reaction: NH+4 ions react with Nessler's Reagent to form a yellow-brown compound, the concentration of which is determined reflectometrically. Measuring Range: 20-180 ppm Determinations: 50 Storage Conditions: +15 to +25°C Shelf Life: 36 months (from day of production) <a href="http://www.emdchemicals.com/analytics/doc/msds/MSDSU_16977.htm" target="_blank">MSDS Material Safety Data Sheet PDF</a> Reflectoquant® Ammonium Test, Catalog No. 16977/1 1. Method NH4+ ions react with Nessler's reagent to form a yellow-brown compound, the concentratin of which is determined reflectometrically. 2. Measuring Range and Number of Determinations Measuring Range1) Number of Determinations 20 - 180 mg/l NH4+ 15.5 - 140 mg/l N 1.110 - 9.970 mmol/m3 NH4+ or N 50 1) for conversion factors see section 8 for measurement of concentrations > 180 mg/l NH4+ see section 6 3. Applications Sample Material: Wastewater Soils and fertilizers 4. Influence of Foreign Substances This was checked - in the case of interfering ions up to concentrations of 1,000 mg/l - in solutions containing 100 mg 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: Concentrations of Foreign Substances in mg/l or % Al3+ 1,000 Fe2+ 10 EDTA 1,000 Ascorbate 1,000 Fe3+ 1,000 Anionic Surfactants1) 1,000 BO33- 1,000 K+ 1,000 Cationic Surfactants2) 100 Ca2+ 100 Mg2+ 1,000 Nonionic Surfactants3) 100 Citrate 1,000 Mn2+ 10 H2O2 1,000 Cl- 1,000 Ni2+ 100 Na2SO4 10% CN- 10 NO2- 1,000 CO32- 1,000 NO3- 1,000 Cr3+ 100 Oxalate 1,000 CrO42- 1,000 PO43- 1,000 Cu2+ 1,000 S2O32- 1,000 Tartrate 1,000 1)tested with Na-dodecyl sulfate 2)tested with N-cetylpyridinium chloride 3)tested with polyvinylpyrrolidone 5. Reagents and Auxiliaries Please Note the Warnings on Labels! The analytic test strips are stable at least up to the date stated on the pack when stored in the closed tube at +15 to +25°C. Package Contents: Tube containing 50 analytical test strips Bar code strip 2 bottle of reagent NH4 –1 1 test vessel Other Reagents: EM Quant® Ammonium Test, Cat. No. 10024, measuring range 10-400 mg/l NH4+ Ammonium standard solution ready for use, 1,000 mg/l Cat No. 19812 6. Preparation Check whether the ammonium content is within the measuring range Use the EM Quant® Ammonium Test as a guide. Samples containing more than 180 mg/l NH4+ must be diluted with distilled water. 7. Procedure · Observe the instructions for the RQflex Reflectometer. The following applies to the Ammonium Test: Measurement procedure A. Stored reaction time: 15 sec. Rinse the test vessel several times with the pretreated sample solution (15-25°C). Then fill to the 5-ml mark. Add 10 drops of reagent NH4+ – 1 and swirl. Remove 1 analytical test strip and immediately reclose the tube. Press START button of the reflectometer and at the same time immerse both reaction zones of the test strip in the measurement solution for approx. 2 sec. Vigorously shake off excess liquid from the test strip As soon as the beeper sounds (5 sec. before end of reaction time), insert the test strip all the way into the strip adapter with the reaction zones facing the display. Read off the result from the display in mg/l NH4+. The result is automatically stored. Note: At the end of each workday, cleanse the strip adapter thoroughly with water or ethanol 8. Conversions units required = units given x conversion factor mmol/m3 NH4+or N mg/l N mg/l NH4+ mg/l NH4+ mg/l NH4+ mg/l NH4+ mmol/m3 NH4+ or N mg/l N 55.4 0.777 0.0180 1.29 9. Method Control To check analytical test strips, equipment and procedure: Dilute ammonium standard solution to 100 mg/l NH4+ and analyze as described in section 7. <ul style="padding-left: 15px"> <li>Gallade Part#: 16977-1</li> <li>Mfr Part#: 16977-1</li> <li>Brand: EMD Chemicals EM Science</li> <li>Container: 1 PK of 50 Strips</li> <li>Misc: HAZMAT UN1824 PGII CORROSIVE</li> </ul> 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>: <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 Reflectoquant 1 EA *Requires RQflex 10 EMD# 16950-1" name="Alcohol Test Strips 50/each 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