GB/T 29400-2012Determination of microamount of inorganic anions in fertilizers by ion chromatography (English PDF)
化肥中微量阴离子的测定 离子色谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2012
Implementation date
June 1, 2013
Scope
GB/T 29400-2012 is the English-translated version of 化肥中微量阴离子的测定 离子色谱法.
GB/T 29400-2012 is the Chinese standard "Determination of microamount of inorganic anions in fertilizers by ion chromatography".
Its scope clause reads: This standard specifies the determination of trace fertilizer soluble fluorine ions (F-) by Ion Chromatography, chloride ion (Cl-), bromine ion (Br-), iodine Ion (I-), nitrite (NO2-), thiocyanate (SCN-) content.
This standard applies to nitrogen, phosphate, potash, compound fertilizers (compound fertilizer), blended fertilizers (BB fertilizer), organic - inorganic fertilizer Trace Water-soluble fluoride, chloride, bromide, iodide, nitrite ion, thiocyanate ion determination. Its clauses include terms and definitions.
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Document preview — GB/T 29400-2012
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 references
- 3 Terms and definitions
- 3.1 Ion Chromatography
- 3.2 Guard column
- 3.3 Separation column separatorcolumn (separatingcolumn)
- 3.4 Analytical column
1 Scope
This standard specifies the determination of trace fertilizer soluble fluorine ions (F-) by Ion Chromatography, chloride ion (Cl-), bromine ion (Br-), iodine
Ion (I-), nitrite (NO2-), thiocyanate (SCN-) content.
This standard applies to nitrogen, phosphate, potash, compound fertilizers (compound fertilizer), blended fertilizers (BB fertilizer), organic - inorganic fertilizer Trace
Water-soluble fluoride, chloride, bromide, iodide, nitrite ion, thiocyanate ion determination.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Preparation of GB/T 8571 compound fertilizer laboratory samples
GB/T 9008-2007 term liquid chromatography column chromatography and planar chromatography
GB measured/T 14642-2009 Industrial circulating cooling water and boiler water, fluoride, chloride, phosphate, nitrite, nitrate and sulfate
Given ion chromatography
3 Terms and definitions
Terms and definitions GB/T 9008-2007 and GB/T 14642-2009 defined apply to this document. For ease of use, the following
Repeat lists GB/T 9008-2007 and GB/T 14642-2009 some terms and definitions.
3.1 Ion Chromatography
According to the charge and ionic compounds with the stationary phase ionic surface functional groups is to isolate and analyze ionic compound
Chromatography. It is a branch of high-performance liquid chromatography.
[GB/T 9008-2007 in 3.6.5.1]
3.2 Guard column
Placed in the guard column and separation column into the sample between.
[GB/T 9008-2007 in 4.8.1]
3.3 Separation column separatorcolumn (separatingcolumn)
According to the detected ion retention properties will be measured prior to detection of the ion exchange column separation.
[GB/T 14642-2009 of 3.3]
3.4 Analytical column
After the guard column is connected in one or more separation columns for separating the composition of a series of test ion analysis system. All the pillars of the series
The total capacity of the column analytical column with the contribution.
[GB/T 14642-2009 of 3.4] […]
......
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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