-
Categories
-
Pharmaceutical Intermediates
-
Active Pharmaceutical Ingredients
-
Food Additives
- Industrial Coatings
- Agrochemicals
- Dyes and Pigments
- Surfactant
- Flavors and Fragrances
- Chemical Reagents
- Catalyst and Auxiliary
- Natural Products
- Inorganic Chemistry
-
Organic Chemistry
-
Biochemical Engineering
- Analytical Chemistry
-
Cosmetic Ingredient
- Water Treatment Chemical
-
Pharmaceutical Intermediates
Promotion
ECHEMI Mall
Wholesale
Weekly Price
Exhibition
News
-
Trade Service
a kind of dried plant specimen. A leafy branch of a plant with flowers and fruits, or an entire plant body with flowers or fruits, is pressed flat in the specimen clip and
drunned
and posted on a table paper, i.e. a sample of the leaves, for use in plant taxonomy research. Table paper can generally be used in copper, white paper, cut into 11.5×16.5 inches (29×42 cm) of the international standard size or cut into 8 open (i.e. 27×39 cm) ordinary size. There are many methods of labeling specimens, one is to glue the specimen completely on the table paper, the other method is to stick the specimen on the table paper with a Doolin note, in the upper left corner of the table paper to record the plant origin, collection date, raw The field record sign of the environment, characteristics, common name, in the lower right corner of the name sign, after careful identification, write out the name of the plant, so as to become a complete leaf specimen, can be long-term preservation in the specimen room of the leaf specimen cabinet. for teaching and research.
