国产无av码在线观看,一区二区人妻精品无码a片,日韩精品色情av无码一区,国产成在线观看免费视频成本人,国产成在线观看免费视频成本人

Polarimeters

  • POL-100 Manual Polarimeter

    Classic manual polarimeter for measuring the optical rotation of optically active substances, range -180° to +180°, accuracy 0.05°.
  • POL-200 Semiautomatic Polarimeter

    Multiparameter semiautomatic polarimeter contains 4 modes for measuring the optical rotation, specific rotation, concentration and International Sugar Scale, accuracy 0.02°.