Alfa Aesar
Mfg Item # : A15000-0B
AMMONIUM CHLORIDE 98% 1KG
Exact Match: AAAA15000-0B

CHEMetrics Part No. K-1510
Low-level ammonia nitrogen may be naturally present in water as a result of the biological decay of plant and animal matter. Higher concentrations in surface waters can indicate contamination from waste treatment facilities, raw sewage, industrial effluents (particularly from petroleum refineries), or fertilizer runoff. Excessive ammonia concentrations are toxic to aquatic life. The Direct Nesslerization Method Reference: ASTM D 1426-08, Ammonia Nitrogen in Water, Test Method A. APHA Standard Methods, 18th ed., Method 4500-NH3 C - 1988. The test kits employing the well-established Nessler reagent* to determine ammonia concentrations are applicable to drinking water, clean surface water, good-quality nitrified wastewater effluent, and seawater. In some waters, calcium and magnesium concentrations can cause cloudiness of the reagent. Adding a few drops of stabilizer solution (Rochelle Salt) will prevent this cloudiness. References recommend distilling samples prior to analysis. Results are expressed as ppm (mg/L) ammonia-nitrogen, NH₃-N. Shelf-life: although the Nessler reagent is stable, its high alkali content attacks the glass ampoule. The resulting precipitate interferes with color comparison. We recommend stocking quantities of CHEMets® and VACUettes® ampoules that will be used within five months. A two-month supply of Vacu-vials ampoules is suggested. Refrigeration will dramatically extend the shelf-life of these products. Kit comes in a plastic case and contains everything needed to perform 30 tests: Refill, Low and High Range Comparators, Stabilizer Solutions, 25 mL sample cup, 1.0 mL syringe, and instructions.

30 ampules. Temperature sensitive and has specific temperature and storage requirements for shipping/delivery.

MilliporeSigma 2150-1KG
Ammonium Sulfate CAS RN 7783-20-2. Formula Weight: 132.14. OmniPur*, 99.5% min. DNase, RNase, Protease: None detected. Heavy Metals (as Pb): 0.0002% max. A280 (0.1M, H2O): 0.01 max. A260 (0.1M, H2O): 0.01 max. Phosphatase: None detected. 1kg. Exact Match: EM-2150

EMD Millipore AX0116-6
Acetone Dimethyl ketone. CAS RN 67-64-1. Formula Weight: 58.08. Density: 0.79kg/L. OMNISOLV*, 99.5% min. by GC. For spectrophotometry, chromatography & residue analysis. UV cut-off 329 nm. Filtered thru 0.2um filter. Certificate of lot analysis on label. Subject to postal/shipping restrictions. 1L Exact Match: EM-AX0116-6

EMD Millipore AX1310-5
Ammonium Molybdate Tetrahydrate Ammonium para-molybdate tetrahydrate. CAS RN 12054-85-2. Formula Weight 1235.86. Crystals, Guaranteed Reagent, 81.0-83.0%. Meets ACS Specifications. Packaged in a plastic container. Subject to postal/shipping restrictions. 2.5kg. Exact Match: EM-AX1310-5

CHEMetrics Part No. R-1501D
Kit comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Range: 0-30 & 30-300 ppm MDL: 5 ppm Method: Direct Nesslerization Shelf-life: Although the Nessler reagent is stable, its high alkali content attacks the glass ampoule. The resulting precipitate interferes with color comparison. The refill has a 5-month shelf life when stored in the dark and at room temperature. This shelf life can be extended by 18 months if the refill is refrigerated. *Contains mercury. Dispose according to local, state or federal laws.

ALCONOX INC
Mfg Item # : 1450
Alcojet* Mechanical Washer Detergent 22.7kg concentrated powder removes soil, grit, organic contaminants, inorganic residues, particulates, chemicals and solvents. For use in hot water. Noncorrosive, low foaming cleaner can be used on soft metals. Biodegradable and non-ionic. pH 12.0. Dilute 1:100.
Exact Match: 21834-084

VWR International BDH3016-2.5LG
BDH Ammonium Hydroxide, ACS NH4OH, weight 35.05, CAS 1336-21-6, density 0.90 kg/L, 2.5L glass bottle.

Honeywell Research Chemicals AH015-4
Acetonitrile Methyl cyanide. CAS RN 75-05-8. Formula Weight: 41.05. Density: 0.78 kg/L. B&J ACS/HPLC, 99.9% min. by GC. For HPLC, spectrophotometry and applications requiring ACS Reagent Grade solvents. Subject to postal/shipping restrictions. 4L Exact Match: BJAH015-4