除草剂:百草枯的42%TC20SL(库存)

Paraquat is a quick touch-killing, non-selective herbicide, then loses activity in earth without leaving toxicity in the soil. It is used to control broad spectrum weeds and grasses, absorbed by the foliage, destroying green plant tissue on contact and by translocation within the plant. It is also used as a crop desiccant and defoliant, and as an aquatic herbicide. Chemical name: 1, 1-dimethyl-4,4-bipyridinium Specification: Item42% TechMass Fraction of the Cation of Paraquat, % or mass content, g/L 30.5 minMass Ratio of Paraquat Cation and Triazolopyrimidinone (400±50) : 1Mass Fraction of 4-4'-Bipyridine, % 0.3 maxWater Insolubility, % 0.5 maxpH Value 2.0 6.0Dilution Stability **Low-Temperature Stability **Thermal Storage Stability ** Usage: Paraquat destroys green plant tissue by contact action with some translation .It is rapidly inactivated on contact with soil .Uses include stubble cleaning, pasture renovation , weed control in plantation crops .