Industrial chemicals · Taylor, TXCertificate of Analysis
Certificado de análisis de muestra
100% USP Grade Pure Castor Oil
USP Grade · 100%
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COA de muestra. Se envía un COA específico del lote con cada pedido.
Última revisión el 2026-06-17 por Andre Taki, DOT Hazmat Specialist.
COA · Answer summary
Typical certificate of analysis for 100% USP Grade Pure Castor Oil. Lot-specific results ship with every order.
- Grado
- USP Grade
Especificaciones
| Parámetro | Especificación | Resultado típico | Método de ensayo |
|---|---|---|---|
| Acid Value | ≤ 2 mg KOH/g | 1.42 mg KOH/g | Titration |
| Appearance | — | — | Visual Inspection |
| Arsenic (As) | ≤ 1.5 ppm | 0.2 ppm | ICP-MS |
| Color (APHA/Hazen) | ≤ 3 APHA | 2 APHA | Spectrophotometry |
| Color (Lovibond 5¼") | ≤ 20 Y/R | 1.7 Y/R | AOCS Cc 13e-92 |
| Free Acid | ≤ 1 % | 0.83 % | Titration |
| Hydroxyl Value | 160 – 168 mg KOH/g | 162.63 mg KOH/g | USP 44 <401> |
| Insolubles | ≤ 0.02 % | 0.01 % | Filtration |
| Iodine Value | 82 – 90 g I2/100g | 85.16 g I2/100g | Wijs |
| Lead (Pb) | ≤ 0.5 ppm | 0.1 ppm | ICP-MS |
| Moisture | ≤ 0.25 % | 0.15 % | Karl Fischer |
| Peroxide Value | ≤ 5 meq/kg | 3.07 meq/kg | USP 44 <401> |
| Refractive Index @20°C | 1.477 – 1.481 | 1.478 | Refractometry |
| Residue / Non-volatile | ≤ 0.7 % | 0.36 % | Gravimetric |
| Ricinoleic Acid | 85 – 92 % | 85.27 % | GC |
| Saponification Value | 176 – 185 mg KOH/g | 180.52 mg KOH/g | Titration |
| Specific Gravity @25°C | 0.959 – 0.963 | 0.96 | IS: 548 |
| Viscosity @25°C | 6.3 – 8.9 cP | 7 cP | Brookfield |
Generado el . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Los valores son representativos de los lotes de producción típicos y reflejan el rango de especificación publicado. Se proporciona un COA específico del lote con cada envío.