3 General requirements3.1 the sampling must be carried out by the sample must have a certificate of training and have been sampling party representative. When the need for third-party supervision.3.2 Sample is taken to represent the whole batch of fertilizer.3.3 Not sampled in the torn packaging, wet, deformed. In the process of sampling and transport of samples, must make sure to avoid suffering the effects of the agents, from the outside, keeping the template was the status quo as initially until brought to the laboratory.4 tools for sampling, sample containers4.1 General requirementsDepending on the type of fertilizer used, the type of sampling instruments, contain different patterns to match.The sampling tools must be made of materials that do not affect the quality of the fertilizer (usually made of glass, plastic or stainless metal, stainless steel, composite, ...).4.2 sample tools, forms, sample packaging Division (see Appendix A)4.2.1 tattoo TubesTattoo tubes are cylindrical tubes have different sizes depending on the size of packaging unit batches of fertilizer, used to get the solid fertilizer types (beads, tablets, powder) in sacks or in piles of ... Tattoo tube must have enough length off the diameter how fertilizer or the depth of the piles of products. Visit tube Groove diameter at least must be greater than 3 times the diameter of the particle or product. Sampling tubes made of stainless alloys such as stainless steel, composite ...4.2.2 sample VialsSample jars used when conducting the sampling in the liquid fertilizer batches not yet bottled or in cisterns, barrel-drum ... Bottle of 500 mL of sample. The bottle has a heavy cast iron piece 700 g to drop the free sample bottle when sink vertically of containers of fertilizer. Sample jars usually have glass material, composite, stainless alloys.4.2.3 split tool sample Shovels, mechanical form or share instruments instruments divided into random samples of types automatically.4.2.4 sample packaging tools4.2.4.1 for solid fertilizers: sample packaging in packaging made of nylon, moisture resistant paper.4.2.4.2 for liquid fertilizers: sample packaging in plastic bottles, glass bottles ...
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