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Technical Specifications
Test Indicators
| No. | Test Items | Standard |
|---|---|---|
| 1 | Chelated Iron (Fe) | 12.5% — 13.5% |
| 2 | EDTA Content | 65.5% — 70.5% |
| 3 | pH Value (1% Aqueous Solution) | 3.8 — 6.0 |
| 4 | Water Insoluble Matter | 0.1% Max. |
| 5 | Appearance | Light Yellow Powder |
Physical and Chemical Properties
| Item | Description |
|---|---|
| Appearance | Light Yellow Powder |
| CAS No. | 15708-41-5 |
| Chemical Formula | C₁₀H₁₂N₂O₈FeNa·3H₂O |
| Molecular Weight | 421.5 g/mol |
| Water Solubility | Easily Soluble in Water |
Product Introduction
Product Overview
EDTA Ferric Sodium (EDTA Fe-Na, also known as Chelated Iron EDTA, EDTA-Iron Sodium, EDTA-Fe 13%) is a high-efficiency EDTA chelated iron fertilizer. Light yellow powder, chelated iron content 12.5%-13.5%, EDTA content 65.5%-70.5%, pH (1% solution) 3.8-6.0, water insoluble ≤0.1%.
Key Features
- High Chelated Iron ContentChelated iron 12.5%-13.5%, ensuring sufficient iron supply.
- Good StabilityEDTA chelated iron, high stability, not easily fixed by soil
- Easily SolubleEasily soluble in water, easy to use, suitable for various water-soluble fertilizer formulas
- Low ImpuritiesWater-insoluble matter ≤0.1%, high purity
Application Guide
Recommended Dosage
| Application Method | Recommended Dosage | Precautions |
|---|---|---|
| Foliar Spray | 0.5-1.0 kg/hectare | Dilute 1000-2000 times and spray evenly on both sides of leaves |
| Drip Irrigation / Fertigation | 1-2 kg/ha | Apply with irrigation water, avoid mixing with strong alkaline fertilizers |
| Water-Soluble Fertilizer Blending | 1-3% | Perform a pre-dissolution test when used with other trace elements |
Usage Recommendations
- Apply on cloudy days or in the evening, avoiding strong light and high temperatures
- Can be mixed with most pesticides and foliar fertilizers, small-scale pre-testing is recommended before mixing.
- When dissolving, first add the product to clean water, stir until completely dissolved, then add other fertilizers.
- Adjust application frequency based on crop iron deficiency level and growth stage, typically apply every 15-20 days.
Application Areas
Agricultural Nutrients, Fertilizers
Used as an efficient chelated iron source in foliar fertilizers, irrigation fertilizers, water-soluble fertilizers, etc., to prevent and correct crop iron deficiency.
Food Additive
As a food-grade iron nutritional fortifier, used in food processing and nutritional supplementation.
Desulfurization
Used as an auxiliary agent in industrial desulfurization processes.
- Store in a dry, ventilated warehouse, protected from direct sunlight
- Stack lightly and handle with care to avoid package damage
- Keep dry and protect from rain during transport
FAQ
EDTA iron sodium is an EDTA chelate of iron, the main differences from ordinary iron fertilizers:
- StabilityEDTA chelated iron is stable in soil and solution, not easily fixed by soil.
- Absorption RateChelated iron can be directly absorbed by crops, with absorption rates much higher than ordinary inorganic iron fertilizers.
- Water SolubilityEasily soluble in water, no sediment, suitable for various irrigation systems
Store in a dry and ventilated warehouse, avoid direct sunlight, handle with care to prevent package damage.
Standard packaging is 25 kg bags. We also support customized packaging according to customer requirements, please contact us for MOQ and pricing.
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