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200G/L PARAQUAT SL

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Paraquat is a kind of quick acting, broad-spectrum non selective herbicide, which has contact killing effect and certain internal absorption effect. It can be quickly absorbed by plant green tissue, causing it to wither, and has no effect on non green tissue. It loses its herbicidal activity quickly after contacting with soil, and has no residue, will not damage plant roots, and will not pollute the environment.

Paraquat is mainly used to control annual and some perennial weeds in corn fields, sugarcane plantations and some non cultivated lands. Although paraquat is banned in some countries and regions, it is still one of the most widely used herbicides in the world.

200g/L paraquat SL is a common paraquat formulation, which is calculated by paraquat cation (Paraquat ion (bipyridyl) / parakwatioon (bipiridiel)). It is 276g/L based on paraquat dichloride. The routine quality indexes of 200g/L paraqua SL are as follows:


200g/L Paraquat SL

Content

Dichloride Salt Equivalents:276g/L

Paraquat ion (bipyridyl) Equivalents:200g/L

4,4-Bipyridine

0.3% of paraquat mass fraction

Mass ratio of paraquat cation to triazole pyrimidinone

(400±50):1

PH

4.0-7.0

Density

1.08

Preparation color

Dark green, Brown

Viscosity

No-Claim,or100-200cps、200-300cps

Diluted Stability

Dilute the standard hard water for 20 times, place it at 30 ℃ for 18h, and it is uniform and transparent without precipitation


This series of paraquat adjuvants are mainly based on anionic/nonionic, nonionic/zwitterionic or cationic/nonionic surfactant.

Mixed system of anionic and nonionic surfactants is one of the commonly used type in paraquat adjuvants. The preparation compounded by this formulation has outstanding paraquat efficacy. In addition, this type of adjuvant has a good viscosity form, even the viscosity of the preparation is very high,  it can still maintain a good flow state and showed a good water solubility. However, this type of adjuvants is greatly affected by the quality change of paraquat TK, especially the dilution stability.

Nonionic/zwitterionic compound or cationic/nonionic compound adjuvants are more cost-effective than anionic/nonionic compound adjuvants. In terms of performance, this type of adjuvant has good salt tolerance, and can still maintain the stability of the formulation when the quality of the paraquat TK fluctuates.

Common adjuvants for Paraquat SL are shown in the following table. If necessary, please consult:

Products

Formulation

Remarks

paraquat cation Equivalents

Dichloro Salt Equivalents

paraquat


170g/L

The types of additives include non stick type, stick type, anion type additives, zwitterions and other types


200g/L

200g/L

276g/L

250g/L




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