CRYOPRESERVATION RACK AND PRELIMINARY FREEZING DEVICE

To provide a cryopreservation rack that can reduce temperature differences that occur between samples during cooling to achieve the quality maintenance and quality uniformity of the samples.SOLUTION: Provided is a cryopreservation rack 1 comprising a rack body 3, in which rack parts 2 are provided in multiple stages in the vertical direction, and being capable of storing a cryopreservation box in each of rack parts 2, the rack body 3 constituting the bottom surface of each of the rack parts 2 and having: a plurality of bottom plates 4 each comprising an opening in the center of the bottom surface; four pillars 6a that support the four corners of the plurality of bottom plates 4; and floor plates that are removably installed on each surface of the plurality of bottom plates. 4.SELECTED DRAWING: Figure 3 【課題】冷却中に試料毎に生じる温度差を低減し、試料の品質維持及び品質均一化を図ることを可能とした凍結保存用ラックを提供する。【解決手段】ラック部２が上下方向に複数段に亘って設けられたラック本体３を備え、ラック部２の各々に対して凍結保存用ボックスを収納可能とする凍結保存用ラック１であって、ラック本体３は、ラック部２の各々の底面を構成し、且つ、その底面中央部に開口部が設けられた複数の底板４と、複数の底板４の四隅を支持する４つの支柱６ａと、複数の底板４の各々の面上に着脱自在に設置される敷板とを有する。【選択図】図３