标样/水质NH3N氨氮质控样280μg/mL(不稀释)
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标样/水质NH3N氨氮质控样200μg/mL(不稀释)
NCSZ-NH3N-200μg/mL(不稀释) | 20ml
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标样/水质NH3N氨氮质控样/25μg/mL不稀释
NCSZ-NH3N-25μg/mL不稀释 | 500mL
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标样/水质NH3N氨氮质控样/10μg/mL不稀释
NCSZ-NH3N-10μg/mL不稀释 | 20mL
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标样/水质NH3N氨氮质控样/50μg/mL不稀释
NCSZ-NH3N-50μg/mL不稀释 | 500mL
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标样/水质NH3N氨氮质控样2.5μg/mL(不稀释)
NCSZ-NH3N-2.5μg/mL(不稀释) | 20ml
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标样/水质NH3N氨氮质控样/2μg/mL不稀释
NCSZ-NH3N-2μg/mL不稀释 | 500mL
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标样/水质NH3N氨氮质控样/1.50μg/mL不稀释
NCSZ-NH3N-1.50μg/mL不稀释 | 500mL
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