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фото UAN solution inspection (urea and ammonium nitrate)

UAN solution inspection (urea and ammonium nitrate)

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UAN solution (urea and ammonium nitrate) inspection is a process of quality control of goods at different stages of logistic chain, which minimizes major trade risks related to the likelihood of cargo delivered or received not according to agreed specification, not being supplied in agreed quantity or incomplete set of accompanying documents agreed between parties for UAN solution export/import operations is issued and received.

CISS GROUP provides UAN solution inspection services to large agribusinesses and international trading companies in intermediate storage warehouses, elevators, factories or ports around the world.

UAN solution (urea and ammonium nitrate) inspection service photo

The distinctiveness of UAN solution inspection is that for the storage of the UAN solution, sp-ecial storage tanks are used, designed for aqueous ammonia and liquid complex fertilizers. UAN solution can be transported in specially designed units , which are adapted for transportation of liquid fertilizers. UAN solution practically does not contain free ammonia hence eliminates nitrogen losses during loading, transportation, storage and application. Low crystallization and freezing temperature allows transporting and storing UAN solution all year round. The formation of crystals and short-term freezing of the UAN solution in storage tanks does not pose a great danger, since the crystals dissolve with an increase in temperature, and nitrogen fertilizers fully restore their properties.

Accredited inspectors and laboratory technicians from CISS GROUP carry out UAN solution inspection at any point of the supply chain.

The main stages of UAN solution inspection:

stages of UAN solution (urea and ammonium nitrate) inspection photo

Incoming/outgoing UAN solution inspection.

It is carried out during the delivery of the UAN solution (urea and ammonium nitrate) to the port, or when it is removed from the storage facilities of the factories. The CISS GROUP inspector will visually assess the condition of the collectors made of carbon or alloy steel such as specialized railway tanks, road tankers and the tightness of their hatches.

Acceptance of cleanliness containers / holds of vessels before loading UAN solution.

It is a visual inspection of tanks and empty holds for cleanliness and suitability for transportation of the UAN solution (urea and ammonium nitrate). The inspector carefully examines their internal surfaces, checks the integrity and operability of the fasteners and rubber seals of the tank and hold covers.

Visual control of the loading process and sampling of UAN solution.

During loading, the inspector controls the loading of UAN solution, confirms the gross / net weight during re-weighing; in the case of loading UAN solution into the holds - the initial, intermediate and final check of the weight of the loaded cargo by the draft survey method, controls the fumigation process; conducts a visual assessment of the quality of the cargo, takes samples in accordance with sampling rules, forms composite samples. At the end of the loading, the inspector will seal the loaded containers or holds. He enters all the data into reports to which the client gets direct access.

Note that the CISS GROUP loading inspection and sampling can be carried out around the clock on 24/7 basis.

Laboratory analyzes of UAN solution quality.

We check the quality of UAN solution exclusively in accredited laboratories in accordance with international standards and national methods (ISO, CEN, TFI (The Fertilizer Institute)) and others. The determined standard indicators of the quality of the UAN solution (urea-ammonium mixture) include: mass fraction of total nitrogen, mass fraction of urea, mass fraction ammonium nitrate, crystallization temperature, freezing point, pH, density.

Photo and video report.

The inspector records each stage of the inspection with photos and videos. All such data contain the date and time of recorded stage of inspection. At the end of the UAN solution inspection, CISS GROUP provides a detailed photo report of all stages of control and inspection.


Based on the results of the UAN solution inspection the final certificate or reports are issued. The client can check the authenticity of the documents using a unique QR code, which is the "key" to the CISS GROUP website, where pdf versions of certificates are stored. Our certificates are protected with a digital cryptographic signature, which also guarantees their reliability and security.

Digitally signed certificates are often required by banks to verify the integrity of trading process when financing trade operations in the form of a letter of credit.

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