Dried specimens: Plant Herbarium specimens of plant herbarium specimens to be kept in a sealed cabinet dry herbarium specimens. Because the new system specimens often parasitic insects and eggs, into the best medicine cabinet disinfection. Is filled with carbon disulfide about 0.5KG within the container, put insecticide box (1.7 square meters), and two days later the box plant specimen collection, making the gas cleared, took specimens. Carbon disulfide oxygen gas is heavier than air. Drugs should be placed on top of the specimen. No paper or to specimens came into mercuric chloride 0.5% alcohol (75% for industrial use) was immersed once, after a good system into the hood. Mercuric chloride) toxic, and not chemical reaction with the metal, should not use metal instruments. When used to bring rubber gloves, wash hands with soap afterwards Northern specimens insecticidal what drugs should be marked on paper in Taiwan, to prevent poisoning. To put camphor fine against pests within herbarium specimens hood. Herbarium of dried plant leaves rubbing Law Act, plant leaves is an important basis for identification and classification of plants, producing more systematic leaf rubbings to help students identify the blade, the consolidation of the basics so have a certain role, first leaf collection, according to the teaching and practice content destination leaf plant specimens collected pictures, such as rubbing a set of ready-based classification of the entire blade shape leaves were collected can be oval, round, oval and other blades, each blade select 3 -5 piece, the pressure within the page as a template, select the blade to the typical, full, deep vein texture than the best, and then rubbing: 1, first try a clean blade light. 2, the color palette into the plant specimens, plus the amount of water to dilute and mix thoroughly, not too thin or too thick. 3, has been tuned with a brush dipped in paint, lightly brushing the front of the blade evenly 4, herbarium label leaf color uniformity, and immediately covered with a white top, repeatedly pressing the blade covered in the paper, and then put the paper over and remove the blade, then the paper will show a clear leaf scars, you're done to save the plant specimens, plant specimens, teaching voyage by voyage Teaching Equipment Co., Ltd. Xinxiang City. Xinxiang City voyage Teaching Equipment Co. (www.xxyuanhang.cn) strong, credible, in Xinxiang specimen model industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the voyage into the brilliant teaching and you work for a better future!