Goods pesticide sampling

Sampling methods are: a wide range of pesticides and formulations , very different physical state , except when sampling should follow the general sampling rules , we must also take into account the different states of the products of sampling methods :
( 1 ) solid product sampled. back pack sprayers The number of samples depends on the goods batch weight or number of pieces . Each batch at 200 or less , according to the 5% to take ; 200 or more may be 3% to take . Mined number of 5 to 10 is appropriate. Large containers should be upper, middle and lower parts taken . Can be slotted spoon sampler or sampling . Each sample not less than 100 grams. The samples were taken repeatedly shrink quartering points, and finally take the 100 to 150 grams sealed storage equipment seized .
( 2 ) a liquid sample collection . Sampling should try to make the product mix , and then remove the sampler capacity required . Each batch of products mined 3 to 5 , each sample of not less than 500 ml , mix the samples taken , and finally take a sample of not less than 200 ml , sealed storage equipment seized .
( 3 ) special form of product sampling . Should be based on the specific circumstances , the use of appropriate sampling methods . An aerosol can be taken from each batch of a few bottles of any inspection . Goods taken from a batch of pesticide samples, only on behalf of the batch . Therefore, samples taken shall be marked with : product name, manufacturer, date of manufacture , batch number, date and place of sampling . In the supply and demand sides of pesticide product quality demanded arbitration dispute analysis , or when authorized by the State Administration of Quality Supervision agencies pesticide product quality supervision and spot checks , garden water sprayer the sample shall be parties to the dispute or sampling with sampling mutual proceed. Sample letters signed by both parties , in duplicate , one to send inspection institutions , retained to prepare a reinspection .