-
NCSZ-CL-2020(7) 标样/水质氯离子Cl质控样/同NCS144217
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NCSZ-CL-70μg/mL 标样/水质氯离子Cl质控样70μg/mL
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NCSZ-Cl-12.3μg/mL 标样/水质氯离子Cl质控样12.3μg/mL
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水中氯离子/氯化物 标样标准品 BW81125DW-20mL
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余氯测试试剂3 for chlorine test (DPD) 0.010 - 6.00 mg/l Cl₂ free chlorine: Cl₂-1
Chlorine reagent Cl2-3 (liquid) for chlorine test (DPD) 0.010 - 6.00 mg/l Cl2 free chlorine: Cl
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余氯测试试剂2 for chlorine test (DPD) 0.010 - 6.00 mg/l Cl₂ free chlorine: Cl₂-1
Chlorine reagent Cl2-2 (liquid) for chlorine test (DPD) 0.010 - 6.00 mg/l Cl2 free chlorine: Cl
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余氯测试试剂1 for chlorine test (DPD) 0.010 - 6.00 mg/l Cl₂ free chlorine: Cl₂-1
Chlorine reagent Cl2-1 (liquid) for chlorine test (DPD) 0.010 - 6.00 mg/l Cl2 free chlorine: Cl
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纳米氧化锌分散液,1314-13-2,≤50nm,20 wt. % in H2O
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纳米氧化锌分散液,1314-13-2,≤50nm,30 wt. % in H2O
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五日生化需氧量(耗氧量)(BOD5)成分分析标准物质,1000mg/L in water
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