Specialty — Process Challenge

드립 관개 라인 스케일 방지

탄산 칼슘 및 산화철 스케일이 이미터와 드립 테이프를 막음; 경도 및 철 성분이 라인 내에서 핵생성되지 않도록 임계 방지제 및 산 주입 필요
Updated Jun 2026
솔루션 접근법

RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.

Typical Application Workflow
1
Application & Agronomic Review
Define the use (crop input, adjuvant, soil amendment, post-harvest) and the agronomic, regulatory, and tank-mix requirements.
2
Input & Grade Selection
Match the surfactant or adjuvant, nutrient source, chelate, or formulation aid to the active, water quality, and label.
3
Compatibility & Rate Trial
Confirm tank-mix compatibility, dose, and stability, and size packaging (jugs, drums, totes, bulk) to the season and logistics.
4
Field Validation
Validate efficacy and crop safety in field trials, and lock the spec and supply plan for the season.
Recommended Chemistries (5)
Hydroxyethylidene Diphosphonic Acid
CAS 2809-21-4
인산 에스테르 및 유도체
Antiscalant
Phosphonate adsorbs onto incipient CaCO3 crystal faces at sub-stoichiometric dose (threshold effect), distorting growth so scale can't nucleate on emitters
융점:198-199   끓는점:578.8   Solubility: 1.15e+01 g/L
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Amino Trimethylene Phosphonic Acid
CAS 6419-19-8
인산 에스테르 및 유도체
킬레이트화 / 금속이온 봉쇄
Sequesters Ca2+ and inhibits carbonate crystal growth; also stabilizes iron to prevent oxide plugging
융점:210 - 215 °C   Solubility: 1000 mg/mL at 25 °C   Vapor Pressure: 0.0000001
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Polyacrylic Acid Sodium (PAAS)
CAS 9003-04-7
폴리머 및 수지
컨디셔닝
Low-MW polyacrylate disperses scale microcrystals and hardness fines so they pass through emitters instead of depositing
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Phosphoric acid
CAS 7664-38-2
산 및 염
pH adjuster
1805 (Phosphoric acid, solution) · Class
Continuous low-dose acid injection holds pH below the carbonate saturation point, dissolving and preventing CaCO3 scale
융점:42 °C   끓는점:> 130 °C at 760 mmHg   밀도:1.892 at 25 °C
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Citric Acid
CAS 77-92-9
산 및 염
pH adjuster
Genuine fit. Citric-acid injection is a standard drip/fertigation practice for this exact problem: it lowers water pH to hold bicarbonates/carbonates in solution (preventing CaCO3 precipitation at emitters) and chelates dissolved iron to stop iron-oxide plugging. Used for both preventive dosing and emitter/drip-tape cleaning, and preferred where growers want an organic acid over mineral acids.
융점:153 °C (anhydrous)   끓는점:Decomposes   밀도:1.54 at 20 °C
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