| Test Items | Min/Max Values | Results |
| Nitrogen | 46% Min | 46.4 |
| Moisture (H 2 O) | 0.5 Max | 0.32 |
| Alkalinity as NH 3 | 0.02% Max | 0.008 |
| Biuret | 0.85% Max | 0.72 |
| Aldehyde as HCHO(mg/kg) | 10 Max | 0.1 |
| Free Ammonia | 0.02% Max | 0.01 |
| Insoluble Matter(mg/kg) | 15 Max | 0.1 |
| Ca(mg/kg) | 0.5 Max | 0.33 |
| Fe (mg/kg) | 0.5 Max | 0.18 |
| Al (mg/kg) | 0.5 Max | 0.16 |
| Cu (mg/kg) | 0.2 Max | 0.05 |
| Zn (mg/kg) | 0.2 Max | 0.01 |
| Cr (mg/kg) | 0.2 Max | 0.02 |
| Ni (mg/kg) | 0.2 Max | 0.06 |
| Mg (mg/kg) | 0.5 Max | 0.01 |
| Na (mg/kg) | 0.5 Max | 0.15 |
| K (mg/kg) | 0.5 Max | 0.06 |
| Phosphate as PO 4 (mg/kg) | 0.5 Max | 0.2 |
| PH (10% water solution) | 9.0 ~ 10.0 | 9.6 |
| Granular Size(0.85-2.8mm) | 90% Min | 99.3 |
| STANDARD GB2440-2001 | |||
|
Quality
Of Items |
Inspection Item | Qualified Grade | Test Result |
| Appearance | White or Light White | white | |
| Total Nitrogen %≥ | 46.2 | 46.4 | |
| Biuret%≤ | 1.0 | 0.90 | |
| Moisture%≤ | 0.5 | 0.40 | |
| Particle size%≥0.85-2.8mm | 93 | 95 | |
| Melting Point | 132 Celsius Degress | 132 | |
| Free Ammonia≤ | 160PXT PPM | 70 | |
| STANDARD GB2440-2001 | |||
|
Quality
Of Items |
Inspection Item | Qualified Grade | Test Result |
| Appearance | White or Light White | white | |
| Total Nitrogen %≥ | 46.2 | 46.5 | |
| Biuret%≤ | 1.0 | 0.77 | |
| Moisture%≤ | 0.5 | 0.25 | |
| Methylene dicarbamide% ≤ | 0.5 | 0.3 | |
| Particle size%≥2-4mm | 93 | 95 | |
| Melting Point | 132 Celsius Degress | 132 | |
| Free Ammonia≤ | 160PXT PPM | 70 | |
|
Quality
Of Items |
Inspection Item | Premium Grade | Test Result |
| Content % | 99.0-100.5 | 99.2 | |
|
Ethanol insoluble %
|
≤0.04 | 0.037 | |
|
Chloride
(
Cl
)
%
|
≤0.007 | 0.005 | |
|
Sulfate
(
SO4
)
%
|
≤0.010 | 0.008 | |
|
Heavy metal
( Pb ) % |
≤0.002 | 0.001 | |
|
Melting point
|
132.0°-135.0° | Qualified | |
|
Burning residua
% |
≤0.1 | Qualified | |
| Appearance | Powder | Powder |
|
Product
Name |
PCU43-0-0 | Test quantity | 19MT |
Test date |
2023.03.13 | ||
| Test Standard | Nitrogen : GB/T8572-1988,GB/T2441-1991 | ||||||
|
TEST RESULT
|
Test Items | Test result | |||||
|
Total Nitrogen(43%Min)
|
43.4
|
||||||
| Moisture(1.0%Max) | 0.03 | ||||||
| Particle size(2.5-4.75mm ≥ 95%) | 98 | ||||||
| Color | Orange | ||||||
| Stated release longevity of nutrient | 90 Days | ||||||
| Appearance | Granular | ||||||
| Packing | Ton Bag | ||||||
| Storage | Store at dry ventilated places, avoid sunshine and raining. | ||||||
| Usage | Widely used as the nutrition for golf course, sports fields, turf, crops, trees and lawns | ||||||
| Origin | China | ||||||
| Coating | Polymer Coated | ||||||
| Anti Floating Agent | No | ||||||
| Name | Sulfur Coated Urea | Class | AAA | ||
| Mark | / | Department | Quality Control Department | ||
| Sample Base | 200 MT | Sample Size | 500g | ||
| Batch No | 2023080510 | Sampling Personnel | Bai Jinsheng | ||
| Sampling Date | 5 th Aug 2023 | Test Date | 5 th Aug 2023 | ||
| Inspection basis | GB29401-2012 Sulfur Coated Urea(SCU) | ||||
| No | Items | Standard | Test Results | ||
| 1 | Nitrogen % | ≥35.0 | 35.6 | ||
| 2 | Initial Release of Nutrient % | ≤15.0 | 5.2 | ||
| 3 | Seven Days Dissolution Rate % | ≤30.0 | 15.6 | ||
| 4 | Moisture % | ≤1.0 | 0.53 | ||
| 5 | Biuret % | ≤1.2 | 0.27 | ||
| 6 | Sulfur % | ≥15.0 | 18.4 | ||
| 7 | Size (2.00-4.75mm) % | ≥90.0 | 96 | ||
| Test Result | Product Qualified. | ||||
| UFA-38% | TN | UN | AN | WN | WIN | HWIN | AI | Biuret | WT | Slow-release period |
|
Powder
(60-120 mesh) |
≥38% | ≤5% | ≤1% | ≤14% | ≥24% | ≥12% | ≥40% | ≤0.76% | <5% | 120-180 days |
|
Irregular Granule
(1.0-2.0 mm) |
≥38% | ≤5% | ≤1% | ≤14% | ≥24% | ≥12% | ≥40% | ≤0.76% | <5% | 120-180 days |
|
regular Granule
(2.0-4.0 mm) |
≥38% | ≤5% | ≤1% | ≤14% | ≥24% | ≥12% | ≥40% | ≤0.76% | <5% | 120-180 days |
| UF3-40% | TN | UN | AN | WN | WIN | HWIN | AI | Biuret | WT | Slow-release period |
|
Powder
(60-100 mesh) |
≥40% | ≤15% | ≤1% | ≤28% | ≥12% | ≥6% | ≥40% | ≤0.76% | <5% | 60-120 days |
|
Irregular Granule
(1.0-2.0 mm) |
≥40% | ≤15% | ≤1% | ≤28% | ≥12% | ≥6% | ≥40% | ≤0.76% | <5% | 60-120 days |
|
regular Granule
(2.0-4.0 mm) |
≥40% | ≤15% | ≤1% | ≤28% | ≥12% | ≥6% | ≥40% | ≤0.76% | <5% | 60-120 days |