1. 기본 제품 정보
| 목 | 세부 |
|---|---|
| 제품명 | Industrial Grade Citric Acid Anhydrous / Monohydrate |
| 화학식 | Anhydrous: C₆H₈O₇；Monohydrate: C₆H₈O₇·H₂O |
| CAS 번호. | 77-92-9 (Anhydrous)；5949-29-1 (Monohydrate) |
| HS코드 | 2918140000 |
| 경영진 표준 | GB/T 9855-2020 Industrial Citric Acid |
| 모습 | White crystalline powder or granular, pure sour taste |
| 용해도 | 물에 쉽게 용해됨, soluble in ethanol |
| Transport Property | 위험하지 않은 물품, general cargo |
2. Purity Specification
Two mainstream industrial types for export
- Citric Acid Monohydrate: Main content ≥99.5%
- Citric Acid Anhydrous: Main content ≥99.7%
- 주요 불순물 제어: 황산염, 헤비메탈, oxalic acid, water insoluble matter strictly limited for industrial production
3. Standard COA Certificate of Analysis
Batch stamped COA provided for every shipment, support SGS/BV third-party test
| 테스트 항목 | 표준 한도 GB/T 9855-2020 | 실제 테스트 결과 | 시험방법 |
|---|---|---|---|
| Citric Acid Content | ≥99.50% | 99.72% | 적정 |
| Water (Monohydrate) | 7.5%~9.0% | 8.12% | Drying test |
| Water (Anhydrous) | ≤0.5% | 0.21% | Drying test |
| 황산염 (SO₄²⁻) | ≤0.03% | 0.01% | 탁도계 |
| 옥살산 | 0.01% 이하 | 0.003% | 측색법 |
| 헤비메탈 (납) | 10ppm 이하 | <2 ppm | AAS |
| 수불용성 물질 | 0.01% 이하 | 0.002% | 여과 계량 |
| 모습 | 백색 균일한 결정, 외부 불순물 없음 | 자격 있는 | 육안검사 |
| Conclusion | GB/T 준수 9855-2020 산업 표준, 산업용 수출 자격을 갖춘 |
4. 주요 산업 응용
4.1 Water Treatment Industry
Efficient chelating agent & pH regulator for industrial circulating water, boiler descaling, 칼슘/마그네슘 스케일 제거, inhibit pipeline corrosion.
4.2 염색 & Textile Industry
Dye auxiliary, pH buffer for printing and dyeing; metal ion chelator to improve color fastness of fabrics.
4.3 금속 표면 처리
Industrial metal cleaning agent, remove rust, oxide scale and welding stains on steel, 알류미늄, hardware parts.
4.4 Daily Chemical & 세정제
Raw material for industrial cleaners, descaling agents, soap, industrial laundry detergent, bath additives.
4.5 건설 & Concrete
Concrete retarder, adjust setting time, improve concrete workability.
4.6 Fine Chemical Synthesis
Raw material for citrate salts, industrial plasticizer, biological culture medium, electroplating additive.
5. 포장 & 로드 중
- Standard package: 25kg 내부 PE 가방 + outer woven bag/kraft paper bag
- 벌크 점보백: 1000대형 공장 주문의 경우 kg
- 로드 중: 26MT per 20GP container
6. 저장 & Transport
- 건조한 곳에 보관하세요, 시원한, 통풍 창고, seal package to prevent moisture caking
- Keep away from alkaline chemicals, avoid direct sunlight
- 일반화물, no dangerous goods transport procedures
7. 공급업체 이점
- 수출 서류 작성: 일괄 COA, MSDS, commercial invoice, packing list, certificate of origin
- Monohydrate & anhydrous two types optional, multiple mesh sizes available
- Accept third-party pre-shipment inspection
- Stable monthly supply, support long-term contract orders
리뷰
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