GB/T 32952-2016 English PDF

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GB/T 32952-2016: Determination of polycyclic aromatic hydrocarbons content for fertilizers -- Gas chromatography-mass spectrometry method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32952-2016	199	Add to Cart	3 days	Determination of polycyclic aromatic hydrocarbons content for fertilizers -- Gas chromatography-mass spectrometry method	Valid

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GB 38400   GB/T 22923   GB/T 22924   GB/T 32953   GB/T 32951   

Basic data

Standard ID: GB/T 32952-2016 (GB/T32952-2016)
Description (Translated English): Determination of polycyclic aromatic hydrocarbons content for fertilizers -- Gas chromatography-mass spectrometry method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G20
Classification of International Standard: 65.080
Word Count Estimation: 10,169
Date of Issue: 2016-08-29
Date of Implementation: 2017-03-01
Quoted Standard: GB/T 6682; GB/T 8571
Regulation (derived from): National Standard Announcement 2016 No.14
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies that naphthalene, acenaphthylene, fluorenene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo [a] anthracene, flexo, benzo [b], and benzo [k] fluoranthene, benzene (A) pyrene, dibenzo [a, h] anthracene, benzo [g, h, i] perylene and indeno [l, 2, 3-cd] pyrene were used in the determination of polycyclic aromatic hydrocarbons (PAHs) Mass spectrometry method. This standard is applicable to the determination of polycyclic aromatic hydrocarbons (PAHs) in compound fertilizer (compound fertilizer), organic-inorganic compound fertilizer, slow release fertilizer and organic fertilizer. The content is in the range of 0.1 mg/kg to 30 mg/kg.

GB/T 32952-2016: Determination of polycyclic aromatic hydrocarbons content for fertilizers -- Gas chromatography-mass spectrometry method

---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.
Determination of polycyclic aromatic hydrocarbon content for fertilizers.Gas chromatography-mass spectrometry method ICS 65.080 G20 National Standards of People's Republic of China Determination of Polycyclic Aromatic Hydrocarbons in Fertilizers Gas chromatography - mass spectrometry Determination ofpolycyclicaromatichydrocarbonscontentforfertilizers- 2016-08-29 released 2017-03-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Petroleum and Chemical Industry Association. This standard is regulated by the National Technical Committee on Standardization of Fertilizers and Soil Conditioners (SAC/TC105). The drafting of this standard. Shanghai Entry-Exit Inspection and Quarantine Bureau of industrial and raw materials detection technology center, Shanghai Chemical Industry Research Institute, Shanghai University of Heilongjiang Province, product quality supervision and inspection research institute. The main drafters of this standard. Li Chen, Fei Xudong, Zhang Jidong, Sun Mingxing, Liang Zhenfen, Wang Wenqing, Tu Hong, Yang Yi, Min Hong, Shen Guoqing, Chen Ping. Determination of Polycyclic Aromatic Hydrocarbons in Fertilizers Gas chromatography - mass spectrometry WARNING. The use of this standard may involve hazardous materials, operations and equipment, but this standard is not intended to be relevant to all safety Questions are made. It is the responsibility of the user to establish the safety and protective measures used before the application of this standard and to determine the relevant regulatory limits The usability. Preparation of polycyclic aromatic hydrocarbons and their internal standard solutions, purification of sample extracts and nitrogen blowing operations should be carried out in a fume hood.

1 Scope

Benzo [b] fluoranthene, benzo [k] fluoranthene, benzo [a] anthracene, benzo [b] fluoranthene, benzo [k] fluoranthene, Benzoic [a] pyrene, dibenzo [a, h] anthracene, benzo [g, h, i] perylene and indeno [1,2,3-cd] pyrene in 16 polycyclic aromatic hydrocarbons - mass spectrometry test methods. This standard applies to compound fertilizer (compound fertilizer), organic - inorganic compound fertilizer, slow release fertilizer, organic fertilizer and other products in the PAH The determination of the content of the range of 0.1mg/kg ~ 30mg/kg.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods GB/T 8571 Compound Fertilizer Laboratory Sample Preparation

3 principle

The samples were extracted by cyclohexane acetone mixed reagent, centrifuged and cooled, and the supernatant was purged with nitrogen. After purification by silica gel solid phase extraction column, Concentration, constant volume, gas chromatography - mass spectrometry, standard curve internal standard method quantitative.

4 reagents and materials

Unless otherwise specified, the use of analytical reagents, the experimental water for the GB/T 6682 provisions of the secondary water. 4.1 Acetone. Chromatographic pure. 4.2 Cyclohexane. Chromatographic purity. 4.3 n-hexane. pure chromatography. 4.4 dichloromethane. chromatography pure. 4.5 Cyclohexane Acetone. 1 1 (by volume). 4.6 n-hexane dichloromethane. 1 1 (volume ratio). 4.7 polycyclic aromatic hydrocarbons Reference material. 16 kinds of polycyclic aromatic hydrocarbons mixed standard stock solution of the mass concentration of 2g/L, purity ≥ 99.9%. 4.8 deuterium internal standard material. acenaphthene-D10, perylene-D12, purity ≥ 99%. 4.9 polycyclic aromatic hydrocarbon standard solution. accurate removal of appropriate amount of PAHs reference material, diluted with n-hexane, prepared into 10mg/L standard solution Liquid, 0 ℃ ~ 8 ℃ brown bottle in the dark to save. ......

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