SN/T 1606-2005 English PDF

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SN/T 1606-2005: Inspection of phenoxy acid herbicides residues in products of plant origin for import and export. GC
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1606-2005	899	Add to Cart	6 days	Inspection of phenoxy acid herbicides residues in products of plant origin for import and export. GC	Valid

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Basic data

Standard ID: SN/T 1606-2005 (SN/T1606-2005)
Description (Translated English): Inspection of phenoxy acid herbicides residues in products of plant origin for import and export. GC
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B22
Classification of International Standard: 67.060
Word Count Estimation: 32,314
Date of Issue: 2005-08-18
Date of Implementation: 2006-02-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary: This standard specifies the import and export of cereals for dicamba, 2, 4 drop acid, 2, 4, 5 trichlorophenoxyacetic acid, 2, 4, 5 trichlorophenoxyacetic acid, 2, 4 butyric acid residue sampling, sample preparation and gas chromatography mass spectrometry. This standard applies to imports of wheat, barley, soybeans, rapeseed and rice dicamba, 2, 4 drop acid, 2, 4, 5 trichlorophenoxyacetic acid, 2, 4, 5 trichloro phenoxyacetic acid, 2, 4 acid residues of the test.

SN/T 1606-2005: Inspection of phenoxy acid herbicides residues in products of plant origin for import and export. GC

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Inspection of phenoxy acid herbicides residues in products of plant origin for import and export.GC Book of the People's Republic of China Entry and Exit Inspection and Quarantine Phenoxycarboxylic acid herbicides in import and export of plant products Residue test method gas chromatography Released on.2005-08-18 2006-02-01 implementation People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

Appendix A, Appendix B and Appendix C of this standard are informative annexes. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Shanghai Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Li Bo, Guo Dehua, Yu Qiurong, Han Li, Wang Min, Wang Chuanxian, Wang Donghui, Wei Yuxi. This standard is the first industry standard for entry-exit inspection and quarantine. Phenoxycarboxylic acid herbicides in import and export of plant products Residue test method gas chromatography

1 Scope

This standard specifies dicamba, 2,4-D-propionic acid, 2,4-D, 2,4,5-trichlorophenoxypropionic acid, 2,4,5-trichlorophenoxy Sampling, sample preparation and gas chromatography-mass spectrometry for the determination of residual acetic acid and 2,4-D-butyric acid. This standard applies to wheat, barley, soybean, rapeseed and rice dicamba, 2,4-D-propionic acid, 2,4-D, 2,4,5-trichlorobenzene. Examination of the residual amount of oxypropionic acid, 2,4,5-trichlorophenoxyacetic acid, and 2,4-D-butyric acid.

2 sampling and sample preparation

2.1 Inspection lot Take no more than 4,000 bags for an inspection lot. Goods in the same inspection lot should have the same characteristics, such as packaging, marking, origin, specifications and grades. 2.2 Number of samples Determine the number of samples according to equation (1). 犪= 槡N (1) In the formula. N---the total number of bags; 犪---Number of sampling bags. Note. The value of 犪 is an integer, and the fractional part is an integer to the forward position. 2.3 Sampling tools 2.3.1 Metal single tube sampler. stainless steel tube, full length 55cm (including handle), diameter 1.5cm, groove length should exceed the diagonal length of the bag Half of the degree. 2.3.2 Sampling shovel. 2.3.3 Sample plate. 2.3.4 Sample tube (bag). can be sealed. 2.3.5 Sample cloth or suitable mats. 2.4 Sampling methods 2.4.1 Reverse packet sampling Randomly extract 10% of the number of samples to be sampled from each part of the stack (not less than 3 bags per batch), and stitch all the seams of the bag. Disassemble, lay flat on the sample cloth or other clean bedding, hold the two corners of the bag with both hands, lift the angle of about 45°, and drag it about 1m to make it inside the bag. All the goods are dumped. Check that the quality of the bag and the bag are even. After confirming that the situation is normal, use a sampling shovel to randomly take samples from various parts. Pour the sample into the sampler. The number of samples taken per bag should be basically the same. 2.4.2 Sampling in the bag According to the 90% of the number of bags to be sampled according to 2.2, the upper, middle and lower layers of the stack are randomly drawn in a curved shape. Sampler (2.3.1) The tube groove is facing downward, inserted into the bag from the corner of each bag diagonally, then the tube groove is turned upwards, the sampler is taken out, and the sample is immediately taken. Pour into the sampler. The number of samples taken per bag should be basically the same as 2.4.1. 2.4.3 Large sample reduction Collect all the samples taken from the inverted bag sampling and the in-bag sampling, pour onto the sample cloth, and use the sample plate to divide the sample by the quarter method. ......

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