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ชุดทดสอบแอมโมเนียม Tube Test (4 – 80 mg/L NH4-N and 5 – 100 mg/L NH4+)

NANOCOLOR® Ammonium 100 Photometric  determination of Ammonium DIN method: At a pH value of about 12.6 ammonium ions react with hypochlorite and salicylate in the presence of sodium nitroprussiate as catalyst to form a blue indophenol. Read More »

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