Ethylene diamine tetraacetic acid tetrasodium salt(EDTA-4NA)
Humica weihai international co.,ltd is specialized in manufacturing
EDTA series, EDDHA FE, organic nutrients, plant growth hormone and
Humica endeavors to produce the natural environmental friendly
substance for modern agriculture and focus on adding value through
the edging technology and the continuous innovation.
Humica have its own laboratory, where our chemistry performs the
pertinent analytical for the quality controls. These are realized
on the raw materials as well as on our manufactured products. Also
continuous controls are performed in order to guarantee the quality
in all phases.
Periodically or simply when the circumstances it requires the
external services of credited laboratories are contracted.
Our laboratory is part of our I+D area, working in the elaboration
of formulation for the development of new products. These, later,
are tested in field to obtain all the possible information and
transfer it to the producer if the product comes into the market.
As one of the innovative company ,we sincerely hope to cooperate
with friends all over the world to establish a stable ,harmonious
business relationship .
|Appearance||White crystalline powder||White crystalline powder|
|Assay %||≥ 99.0||99.5|
|Chloride (Cl )%||≤0.01||0.002|
|Sulfate (SO4) %||≤0.05||0.01|
|PH 1% Solution||10.5-11.5||10.87|
Packing :25kg net per woven bag or according to customers` demand .
Storage : stored in the dry and ventilated inside storeroom
,prevent direct sunlight ,slightly pile and put down .