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eLibrary >
BS EN 15510:2017 - TC Tracked Changes. Animal feeding stuffs. Methods of sampling and analysis. Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES >
BS EN 15510:2017 - TC Tracked Changes. Animal feeding stuffs. Methods of sampling and analysis. Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES, 2020
- 30342874_NEW.pdf [Go to Page]
- National foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Reagents
- 6 Apparatus
- 7 Sampling
- 8 Sample preparation [Go to Page]
- 8.1 General
- 8.2 Animal feeding stuffs, which can be ground as such
- 8.3 Liquid animal feeding stuffs [Go to Page]
- 8.3.1 General
- 8.3.2 Pre-drying
- 8.3.3 Freeze-drying
- 8.4 Mineral matrices
- 9 Procedure [Go to Page]
- 9.1 Digestion [Go to Page]
- 9.1.1 Selection of the procedure [Go to Page]
- 9.1.1.1 Determination of Ca, Na, P, Mg, K, Fe, Zn, Cu, Mn, Co, Mo, Pb
- 9.1.1.2 Determination of extractable Pb
- 9.1.2 Extraction with HCl
- 9.1.3 Dry ashing and extraction with HCl
- 9.1.4 Wet digestion with HNO3
- 9.2 Calibration [Go to Page]
- 9.2.1 General
- 9.2.2 External calibration
- 9.2.3 Standard addition technique
- 9.2.4 Example of calibration with one addition after dry ashing –HCl [Go to Page]
- 9.2.4.1 Preparation of the test solution
- 9.2.4.2 Preparation of the blank solution
- 9.2.4.3 Preparation of the addition
- 9.2.5 Example of calibration with one addition after wet digestion – 1 % HCl [Go to Page]
- 9.2.5.1 Preparation of the test solution
- 9.2.5.2 Preparation of the blank solution
- 9.2.5.3 Preparation of the addition
- 9.2.6 Example of calibration with one addition after wet digestion with HNO3 [Go to Page]
- 9.2.6.1 Preparation of the test solution
- 9.2.6.2 Preparation of the blank solution
- 9.2.6.3 Preparation of the addition
- 9.3 Determination [Go to Page]
- 9.3.1 General
- 9.3.2 Determination by inductively coupled plasma – atomic emission spectrometry [Go to Page]
- 9.3.2.1 General
- 9.3.2.2 External calibration method
- 9.3.2.3 Standard addition technique
- 10 Calculation and expression of the result [Go to Page]
- 10.1 General
- 10.2 External calibration
- 10.3 Standard addition method with only one addition
- 10.4 Standard addition method with several additions
- 10.5 Calculation of the element content in the sample
- 10.6 Example of calculation after standard addition technique with one addition
- 11 Precision [Go to Page]
- 11.1 Inter-laboratory test
- 11.2 Repeatability
- 11.3 Reproducibility
- 12 Test report
- Annex A (informative)Results of the inter-laboratory test
- Annex B (informative)Notes on the detection technique, interferences and quantification [Go to Page]
- B.1 General
- B.2 Interferences [Go to Page]
- B.2.1 General
- B.2.2 Spectral interferences
- B.2.3 Ionization interferences
- B.2.4 Physical interferences
- B.3 Quantification and matrix matching [Go to Page]
- B.3.1 General
- B.3.2 Calibration curve
- B.3.3 Matrix matching
- B.3.4 Standard addition [Go to Page]