Author name: Unifarmchemical

DTPA Acid: Industrial Applications, Properties & Comparison with EDTA

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DTPA acid (diethylenetriaminepentaacetic acid, CAS 67-43-6) is a synthetic aminopolycarboxylic acid and one of the most powerful chelating agents available for industrial applications. With five carboxylic acid groups and three nitrogen atoms, DTPA forms exceptionally stable complexes with a broad range of metal ions — particularly rare earth elements, actinides, and heavy metals. This makes …

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Barium Chloride vs Barium Hydroxide: Industrial Applications Guide

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Barium compounds are essential industrial chemicals with a wide range of applications across oil and gas, chemical manufacturing, glass, ceramics, and water treatment industries. Two of the most commercially important are barium chloride dihydrate (BaCl₂·2H₂O) and barium hydroxide monohydrate (Ba(OH)₂·H₂O). Despite being derived from the same base element, they have fundamentally different chemical properties and …

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China Cancels Solar Export Rebates: April 2026 Policy Guide

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On January 9, 2026, China’s Ministry of Finance and the State Administration of Taxation issued Circular 2026 No. 2 — eliminating all VAT export rebates on photovoltaic products effective April 1, 2026. Battery product rebates are reduced in a separate phase-out through 2027. For any company sourcing solar panels, cells, wafers, or battery systems from …

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EDTA vs DTPA Chelates: Which Is Right for Your Fertilizer Application?

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When sourcing chelated micronutrients for agriculture, two chelating agents dominate the market: EDTA (Ethylenediaminetetraacetic acid) and DTPA (Diethylenetriaminepentaacetic acid). Both effectively bind metal micronutrients — iron, zinc, copper, manganese, and others — into stable, plant-available forms. But they differ significantly in pH stability, cost, and best-use scenarios. This guide helps fertilizer manufacturers, agronomists, and procurement …

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Phosphorous Acid Prices Surge Following US Executive Order on Strategic Materials

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On February 18, 2026, President Trump signed an Executive Order designating elemental phosphorus and glyphosate-based herbicides as strategic and critical materials essential to US national defense and food security, invoking the Defense Production Act. The order acknowledges that the US has only one domestic phosphorus producer, with national needs far exceeding current output. The market …

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Lithium Carbonate vs Lithium Hydroxide: Battery-Grade Guide for Buyers

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As the global electric vehicle (EV) market accelerates, demand for battery-grade lithium chemicals has surged. Two products sit at the center of this demand: lithium carbonate (Li₂CO₃) and lithium hydroxide monohydrate (LiOH·H₂O). While both are essential lithium precursors for battery cathode manufacturing, they serve different applications and have distinct supply chain implications. The Role of …

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EDTA Chelated Micronutrients: A Complete Guide for Agriculture

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Micronutrient deficiencies are responsible for significant crop yield losses worldwide. While they are needed in small quantities, elements like zinc, copper, manganese, iron, and calcium are essential for plant enzyme function, photosynthesis, and disease resistance. EDTA chelated micronutrients are the most effective way to deliver these elements to crops in a bioavailable form. Why Chelation …

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EDDHA Fe vs EDTA Fe: Which Chelated Iron is Right for Your Crops?

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Iron deficiency (chlorosis) is one of the most common micronutrient problems in agriculture, especially in alkaline and calcareous soils. Two chelated iron products — EDDHA Fe and EDTA Fe — are widely used to correct this deficiency, but they perform very differently depending on soil pH. Understanding the difference helps you choose the right product …

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