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sinian



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PostSubject: Dipterex briefing   Dipterex briefing Icon_minitimeTue May 25, 2010 3:35 am

Dipterex white crystal, with aldehyde odor. Dipterex soluble in most organic solvents but insoluble in aliphatic hydrocarbons and petroleum, hexane, dichloromethane, isopropyl alcohol, toluene. Dipterex easy hydrolysis and dehydrochlorination reaction, heat, pH> 6 split into fast, slow photolysis. Was quickly transformed into dichlorvos base, 22 ℃ hydrolysis, the half-life shortened with the increase of pH value. Dipterex mainly used as pesticides.
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Neville

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PostSubject: Re: Dipterex briefing   Dipterex briefing Icon_minitimeTue May 25, 2010 4:14 pm

Hi All,
My plant lice are back in my veggie filter. Now just wondering if dipterex won't do the job.
The dimmilen did not work.
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PostSubject: Re: Dipterex briefing   Dipterex briefing Icon_minitimeTue May 25, 2010 5:02 pm

Hi Neville, het jy daai SC48 Dimilin wat ek vir jou gegee het probeer of het jy die poeier vorm gebruik? Dit behoort die plantluise uit te sorteer.

Ek het vandag 'n 12 kg bestelling van die Dimilin poeier ontvang.

Dipterex is reeds 4 jaar gelede verban en die raklewe daarvan is slegs 4 jaar.

Alle Dipterex vandag verkrygbaar sal dus reeds verval het. Indien die poeier enigsins klonterig voorkom, moet dit nie gebruik word nie. Dit verander in Dichlorfos met verloop van tyd wat giftig is vir visse. Dit behoort nog 'n baie fyn poeier te wees.

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Neville

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PostSubject: Re: Dipterex briefing   Dipterex briefing Icon_minitimeTue May 25, 2010 6:43 pm

Hi Paul

Dankie vir die inligting

Ek het die poeier vorm gebruik. Ek het ook gedink daai wat jy gegee het is poeier.

Hoe sterk kan ek dit maak se in n 2 liter bottel om die die plante te bespuit.?
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PostSubject: Re: Dipterex briefing   Dipterex briefing Icon_minitimeTue May 25, 2010 8:04 pm

Hi Neville, die vloestof wat ek gegee het is baie sterker as die poeier.

Die voorgeskrewe dosis is slegs 4-5 4ml per 10 000 liter vir vis luis.

As dit werk vir visluis, behoort dit tog te werk vir plantluis???

Aangesien dit nie skadelik is vir plante nie en jou luise bo die water is? , sal ek die dosis looi vir plant luis. Sorg net dat daar nie meer as 5ml in die water beland nie.

Dit doen niks aan jou goeie bakterie in jou filter nie.

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