Is HEDP suitable for use in high-temperature or high-pH water conditions?

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HEDP (1-Hydroxy Ethylidene-1,1-Diphosphonic Acid) has distinct suitability profiles for high-temperature and high-pH conditions: 1. High-Temperature Conditions (Generally Suitable) Thermal Stability: HEDP exhibits good thermal stability up to ~110°C under typical water treatment conditions. It can tolerate short-term exposure to higher temperatures (e.g., 150°C) but may gradually decompose if exposed to extreme temperatures for prolonged periods. Performance: At elevated temperatures,…

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What are the main components of PBTC•Na4?

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PBTC•Na₄ refers to the tetra-sodium salt of 2-Phosphonobutane-1,2,4-tricarboxylic acid. Its composition is not simply PBTC mixed with sodium hydroxide; it’s a specific, partially neutralized form with defined properties for commercial use. Here’s a detailed breakdown of its main components and their significance. 1. Primary Active Component: PBTC Tetra-Anion The core functional molecule is the PBTC ligand in its…

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Are there any alternatives to HEDP•K2?

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Yes, there are several alternatives to HEDP·K₂ (Hydroxyethylidene Diphosphonic Acid Dipotassium Salt), and the choice depends primarily on the specific application and the key property you aim to replace. The alternatives can be grouped into three main categories: 1. Alternatives for Its Chelating/Scale Inhibition Function These replace HEDP’s core chemical function, regardless of the cation (K⁺). Used in water treatment, cleaning,…

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Can PBTC replace ATMP?

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Yes, PBTC can replace ATMP in many applications, and often does so with significant performance advantages. However, it is not a universal 1:1 substitute, and the decision depends on specific water conditions, treatment goals, and cost considerations. Here’s a detailed comparison to guide your decision. Core Comparison: PBTC vs. ATMP Feature PBTC (Phosphonobutane-1,2,4-Tricarboxylic Acid) ATMP (Amino Trimethylene…

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Chemical properties of HPMA

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As with previous discussions, it’s crucial to specify which HPMA you are referring to. Their chemical properties are vastly different. I will provide detailed properties for both major types. 1. Chemical Properties of HPMA as a Monomer: N-(2-Hydroxypropyl)methacrylamide This is a small molecule monomer used to synthesize biomedical polymers. Property Description Chemical Formula C₇H₁₃NO₂ Molecular Weight 143.18…

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What is the chemical structure and molecular weight range of HPMA?

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HPMA (Hydrolyzed Polymaleic Anhydride) is a low-to-medium molecular weight water-soluble polymer widely used as a scale and corrosion inhibitor in water treatment, especially in high-temperature and high-hardness conditions. 1. Chemical Structure HPMA is produced by the hydrolysis of polymaleic anhydride. Its structure consists of a carbon-carbon backbone with carboxylic acid side groups. Basic Repeating Unit: The polymer chain is primarily…

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Can PCA be used in combination?

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PCA (Polycarboxylic Acid-type superplasticizers, commonly known as Polycarboxylate Ethers or PCEs) can and frequently are used in combination with other admixtures or materials to achieve synergistic effects, enhance performance, or reduce costs. The key is to ensure compatibility between the components. Here are the most common and practical combinations: 1. PCA (PCE) + Other Chemical Admixtures This…

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What should be noted about MA-AA·Na?

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MA-AA·Na refers to the Sodium Salt of Maleic Acid – Acrylic Acid Copolymer, a very common and important water treatment polymer. When discussing its use and handling, several key technical, safety, and application points must be noted. Here is a comprehensive overview of what should be noted about MA-AA·Na: 1. Core Properties & Function (What It…

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Hydrazine Hydrate

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Hydrazine Hydrate could mix with water and ethanol in any proprtion, not soluble in chloroform and ether,Onc Hydrazine Hydrate meet with carbon dioxide in the air can produce white smoke. Technical Specification Parameter Standard I II Appearance Colorless transparent liquid Colorless transparent liquid N2H4. H2O, % 80.0 min 55.0 min Non-volatile Matter, % 0.01max 0.01max…

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Hexadecyl Dimethyl Amine Oxide

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Hexadecyl Dimethyl Amine Oxide (OA-16) is a kind of zwitterionic surfactant, colorless transparent liquid, weak cationic surfactant, cationic in acidic medium, nonionic in alkaline medium, soluble in water and polar organic solvent, slightly soluble in nonpolar organic solvent; Hexadecyl Dimethyl Amine Oxide (OA-16) can be used for shampoo which make the hair more soft, easy…

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