Edta na4.4h2o specification
Product name : edta tetrasodium salt; edtana4 ;
Description
Appearance :pure white crystalline powder.
Free flowing.
Water-insoluble:not more than 0.1%
Chlorides (cl):not more than 0.005% (50 ppm).
Sulphate (so4)% : not more than0.1%
Iron% (fe) : not more than 0.001% (10ppm)
Chelate value (caco3/g) : 200-215
Heavy metal(lead):not more than 0.001% (10 ppm)
Torrefaction weightlessness : not more than0.01%
Ph (1% w/v solution):10.5to 11.5
Purity (assay): minimum 99.0%.
Packed in complex bag with plastic
inner,25KG net per bag.
Supplier: X-Ray Film Developer And Fixer, Boric Acid, Sodium Sulphite, Sodium Carbonate, Soda Meta Bi Suphite, Phenidone, EDTA Na4, Potassium Bromide
Supplier: Our products are often used in oilfield reinjection water systems, oilfield refill water systems, circulating cool water systems, other fields.
our available water treatment chemicals and polymers are as below,
organic phosphonate: hedp, atmp, pbtca, dtpmpa, papemp, hpaa, bhmtpmpa, atmpâ?¢na4 etc. (similar to dequest series)
crystal solid hedp, hedp.na4 and solid atmp, solid amps, solid phosphorous acid, solid pesa, solid ma/aa
polymers: pca, pso, paa, ma/aa, aa/amps, 3100, hpma (hydrolyzed / solvent route based), pesa
special polymers: products equivalent to dow acumer series; akzo nobel auatreat series; belsperse series; belclene series; buckman series; bellasol series, sokalan series
biocide and algicide: ddbac/bkc, dbnpa, ddac, cmit/mit(isothiazolinones), bta, tta, glutaraldehyde, thps,sodium chlorite,sdic, tcca, ipa
oxygen scavenger: carbohydrazide, cyclohexylamine, morpholine, hydrazine hydrate
other: phosphoric acid, shpp, phosphorous acid, nmp, sles, edta, deha, th
