Thuốc thử & bộ test

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  Dung dịch chuẩn pH4.01 Hach

  1.000 ₫
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  Dung dịch chuẩn pH7.01 Hach

  1.000 ₫
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  Dung dịch chuẩn Photphat / NSI-Mỹ

  1.000 ₫
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  Dung dịch chuẩn Redox Buffer Solutions UH = 427 mV (Pt-Ag/AgCl: 220 mV) hãng STM / Đức

  1.000 ₫
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  Dung dịch chuẩn Redox Buffer Solutions UH = 427 mV (Pt-Ag/AgCl: 220 mV) hãng STM / Đức

  1.000 ₫
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  Dung dịch chuẩn Redox Buffer Solutions UH = 675 mV (Pt-Ag/AgCl: 468 mV) hãng STM / Đức

  1.000 ₫
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  Dung dịch chuẩn Redox Buffer Solutions UH = 675 mV (Pt-Ag/AgCl: 468 mV) hãng STM / Đức

  1.000 ₫
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  Dung dịch chuẩn sắt/Fe / ERA/Mỹ

  1.000 ₫
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  Dung dịch chuẩn sắt/Fe / ERA/Mỹ

  1.000 ₫
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  Dung dịch chuẩn sắt/Fe / ERA/Mỹ

  1.000 ₫
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  Dung dịch chuẩn sắt/Fe / ERA/Mỹ

  1.000 ₫
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  Dung dịch chuẩn sắt/Fe 1000 mg/l

  1.000 ₫