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Humic acid – Tianjin Donghong Chemical Products Co.,Ltd | all.biz
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Humic acid

Humic acid

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Description

Humic acid

CAS NO. 1415-93-6

EINECS:215-809-6

Formula: C9H8K2O4

Property

Black brown powder or granular, innoxious, odorless, insoluble in water, easily soluble in alkali

Specification

ITEM

STANDARD

I

II

III

Humic acid (dry basis)

50.0% min

60.0% min

70.0% min

Organic matter (dry basis)

60.0% min

70.0% min

80.0% min

C.E.C (dry basis)

1.8mmol/g min

2.5mmol/g min

3.0mmol/g min

PH Value

4.0-6.0

4.0-6.0

4.0-6.0

Appearance

Powder/Pearl/Ball

Powder

Size

2-4 or 1-3 mm (pearl/ball), 60-80 mesh (powder)

60-80 mesh

Packing

25kg plastic woven bag with PE liner./10kg plastic woven bag with PE liner

Or 25kg kraft paper bag with PE liner.

Application

1.5-10kgs/ha/time, 2-3 times during seedling and growth stage, better to be applied with N, P,K  fertilizers

2.Mixed with Nitrogen fertilizers: 5% of total blend, e.g, 5kgs of Potassium Humate per 100kgs of Urea

3.Used as muti-functional compound and basal fertilizer, top dressing, seed fertilizer and foliar fertilizer 

Storage

It must be kept in airy, cool, dry places, far from sources of heat/ignition and protected from sunlight.

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