Ceriodaphnia dubia, proficiency testing material, Supelco®

: Merck

Ceriodaphnia dubia, proficiency testing material, Supelco®

: Merck

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pH buffer solutions

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VWR® AVS TITRINORM Buffer Solutions, 20 °C

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Buffer solutions, ready to use, referenced at 20 °C, Certipur®, Supelco®

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VWR®, General purpose viscosity standards

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