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Nitrate Test Method: reflectometric with test strips 5 - 225 mg/l NO3- Reflectoquant?￥市场价：544登录查看会员价 -
Phosphate standard solution traceable to SRM from NIST KH2PO4 in H2O 1000 mg/l PO4 Certipur?￥市场价：544登录查看会员价
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Methenamine GR for analysis Reag. Ph Eur￥市场价：548登录查看会员价
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实验室化学试剂￥市场价：548登录查看会员价 -
Iron Test Method: reflectometric with test strips 0.5 - 20 mg/l Fe2+ Reflectoquant?￥市场价：549登录查看会员价
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生物系统与控制材料￥市场价：551登录查看会员价
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生命科学试剂|试剂盒￥市场价：544登录查看会员价
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过滤膜￥市场价：531登录查看会员价 -
过滤膜￥市场价：531登录查看会员价
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HYDROCHLORIC ACID C(HCL) = 2 MOL/L (2 N) Titripur?￥市场价：555登录查看会员价
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生命科学试剂和试剂盒￥市场价：555登录查看会员价
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美国Millipore密理博过滤专用不锈钢镊子平头￥市场价：502登录查看会员价 -
Ammonium Standard Solution, CRM traceable to SRM from NIST 50.0 mg/l NH4-N in H2O￥市场价：558登录查看会员价
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Ammonium Standard Solution, CRM traceable to SRM from NIST 12.0 mg/l NH4-N in H2O￥市场价：558登录查看会员价
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Ammonium Standard Solution, CRM traceable to SRM from NIST 6.00 mg/l NH4-N in H2O￥市场价：558登录查看会员价
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Ammonium Standard Solution, CRM traceable to SRM from NIST 2.00 mg/l NH4-N in H2O￥市场价：558登录查看会员价
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Ammonium Standard Solution, CRM traceable to SRM from NIST 1.00 mg/l NH4-N in H2O￥市场价：558登录查看会员价
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Ammonium Standard Solution, CRM traceable to SRM from NIST 0.400 mg/l NH4-N in H2O￥市场价：558登录查看会员价
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Nitrogen (total) Standard Solution, CRM traceable to SRM from NIST 12.0 mg/l N in H2O￥市场价：559登录查看会员价
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Nitrogen (total) Standard Solution, CRM traceable to SRM from NIST 2.50 mg/l N in H2O￥市场价：559登录查看会员价