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Corn inspection

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Corn 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 corn export/import operations is issued and received.

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

Corn inspection service photo

The distinctiveness of corn inspection is that depending on the properties of the grain, corn is subdivided into seven subclasses. Of these, the most common are maize, flint corn and dent corn. Popcorn and flour corn is widely used in the United States, where it is grown commercially. Less well-known subclasses of corn are such as waxy and membranous. All of them, in turn, have many varieties, differing in terms of ripening, color and grain size, taste and ability to long-term storage.

GAFTA-accredited inspectors and laboratory technicians from CISS GROUP carry out corn inspection at any point of the supply chain.

The main stages of corn inspection:

stages of corn inspection photo

Incoming/outgoing corn inspection.

It is carried out during delivery of corn to silos or to a port, or at releasing it from factory/silo warehouses. The CISS GROUP inspector will visually assess the condition of the premises for the suitability for cargo storage; will check the cargo itself so that it is dry, not mixed with other cargo, not damp or wet, free from pests, foreign matter, weeds, mold or foreign odors. If corn is delivered in bags, the inspector will inspect them for traces of soaking, and if agreed, will perform the selected bag opening for sampling purpose and further visual check of cargo quality.

Acceptance of cleanliness containers / holds of vessels before loading corn.

This is a visual inspection of containers and empty holds for their cleanliness and suitability for corn transportation. The inspector carefully examines their internal surfaces, checks the integrity and condition of locks, hinges and other fasteners on the container doors, rubber seals for container doors and hold covers.

Visual control of the loading process and sampling of corn.

During loading, the inspector controls the loading of corn, confirms the gross / net weight during re-weighing; in the case of loading corn 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 GAFTA 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 corn quality.

We check the quality of corn exclusively in GAFTA accredited laboratories in accordance with the requirements of agreed per contract international or local standards. Usually for determination of corn quality the following standard parameters are used: color, smell, amount of broken kernels and presence of impurities and germinated kernels. The physicochemical properties of corn grain are characterized by determination of such indicators as moisture, acidity, adsorption capacity, etc.

In addition to basic analyzes, laboratory tests are carried out for the presence of pesticides, mycotoxins, GMO, dioxins, heavy metals and radioactive elements in corn.

At the request of the client, during the loading process we also carry out express analyzes for each pre determined lot.

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 corn inspection, CISS GROUP provides a detailed photo report of all stages of control and inspection.


Based on the results of the corn 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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