GB/T 32952-2016Determination of polycyclic aromatic hydrocarbons content for fertilizers - (English PDF)
肥料中多环芳烃含量的测定 气相色谱-质谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 29, 2016
Implementation date
March 1, 2017
Scope
GB/T 32952-2016 is the English-translated version of 肥料中多环芳烃含量的测定 气相色谱-质谱法.
GB/T 32952-2016 is the Chinese standard "Determination of polycyclic aromatic hydrocarbons content for fertilizers - ".
Its scope clause reads: 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.
Its clauses include normative reference documents; principle; reagents and materials.
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Document preview — GB/T 32952-2016
National Standard of the People's Republic of China
- ICS
- 65.080
- Classification
- G 20
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 principle
- 4 reagents and materials
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 °C ~ 8 °C brown bottle in the dark to save.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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