All chemicals that used in this work are analytical grade reagents. Iron (III) chloride 97% (FeCl3), iron (II) chloride tetrahydrate 98% (FeCl2ยท4H2O), potassium chromate (K2CrO4) 99%, Cetyltrimethylammonium bromide (CTAB) 95% and ammonium solution 25% were purchased from Sigma-Aldrich (Missouri, USA). Nitrite standard, sulfate standard, and phosphate standard were purchased from Ultratech (California, USA).
Ammonium solution 25
Manufactured by Merck Group
Sourced in United States, Germany
Ammonium solution 25% is a laboratory reagent that contains a 25% concentration of ammonium hydroxide in water. It is a clear, colorless liquid with a pungent odor. The solution is commonly used as a pH adjuster, complexing agent, and a source of ammonia in various analytical and chemical procedures.
Automatically generated - may contain errors
Lab products found in correlation
Lc ms grade methanol, by Merck Group (1 mentions)
13c4 pfba, by Wellington Laboratories (1 mentions)
13c2 pfhxa, by Wellington Laboratories (1 mentions)
18o2 pfhxs, by Wellington Laboratories (1 mentions)
13c4 pfoa, by Wellington Laboratories (1 mentions)
13c5 pfna, by Wellington Laboratories (1 mentions)
13c2 pfda, by Wellington Laboratories (1 mentions)
13c2 pfunda, by Wellington Laboratories (1 mentions)
2 protocols using ammonium solution 25
1
Synthesis of Iron and Chromium Compounds
2
Quantification of Perfluorinated Compounds
Check if the same lab product or an alternative is used in the 5 most similar protocols
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Perfluorooctane sulfonamide (PFOSA); a mixture of PFBA, perfluoro-n-pentanoic acid (PFPeA), perfluoro-n-hexanoic acid (PFHxA), perfluoro-n-heptanoic acid (PFHpA), PFOA, perfluoro-n-nonanoic acid (PFNA), perfluoro-n-decanoic acid (PFDA), perfluoro-n-undecanoic acid (PFUnDA), perfluoro-n-dodecanoic acid (PFDoDA), perfluoro-n-tetradecanoic acid (PFTrDA), perfluoro-n-tetradecanoic acid (PFTeDA), perfluoro-n-hexadecanoic acid (PFHxDA), perfluoro-n-octadecanoic acid (PFOcDA), potassium perfluoro-1-butanesulfonate (PFBS), PFHxS, PFOS, and sodium perfluoro-1-decanesulfonate (PFDS); and mixture of 13C4-PFOS, 13C2-PFDA, 13C5-PFNA, 13C4-PFOA, 13C4-PFBA, 13C2PFHxA, 13C2PFUnDA, 13C2PFDoDA, and 18O2PFHxS were purchased from Wellington Laboratories Inc. (Guelph, Ontario, Canada). Purities of the individual chemicals and mass-labeled chemicals are >98%. Oasis weak anion exchange solid-phase extraction cartridges (WAX; 6cc, 150 mg) were purchased from Waters Corp. (Milford, MA, USA). Methanol (LC-MS grade) was purchased from Merck Ltd. (Darmstadt, Germany), and ammonium solution (25%) was purchased from Sigma-Aldrich GmbH (Seelze, Germany). Milli-Q water was used during the experiment.
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