1006830001 · Merck
Ammonium Test Method: photometric 2.0 - 150 mg/l NH4-N 2.6 - 193 mg/l NH4+ Spectroquant
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1147520001 · Merck
Ammonium Test Method: photometric 0.010 - 3.00 mg/l NH4-N Spectroquant
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1250230100 · Merck
Ammonium Standard Solution, CRM traceable to SRM from NIST 1.00 mg/L NH₄-N in H₂O
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1322270100 · Merck
Ammonium Standard Solution, CRM traceable to SRM from NIST 0.250 mg/l NH₄ in H₂O
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1145440001 · Merck
Ammonium Cell Test photometric, 0.5-16.0 mg/L (NH4-N), 0.6-20.6 mg/L (NH4+), Spectroquant®
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1147390001 · Merck
Ammonium Cell Test photometric, 0.010-2.000 mg/L (NH4-N), 0.01-2.58 mg/L (NH4+), Spectroquant®25 te
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1145580001 · Merck
Ammonium Cell Test Method: photometric 0.20 - 8.00 mg/l NH4-N 0.26 - 10.30 mg/l NH4+
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