Already a subscriber?
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
PD CEN/TS 17770:2022 Organic and organo-mineral fertilizers. Determination of the total content of specific elements by ICP-AES after digestion by aqua regia, 2022
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Interferences [Go to Page]
- 5.1 General
- 5.2 Spectral interferences
- 5.3 Transport interferences
- 5.4 Excitation interferences
- 5.5 Chemical interferences
- 5.6 Memory interferences
- 6 Reagents [Go to Page]
- 6.1 General
- 6.2 Nitric acid, substance concentration c(HNO3) ≈ 14,3 mol/l; mass concentration ρ ≈ 1,4 g/ml. [Go to Page]
- 6.2.1 Diluted nitric acid solution, c(HNO3) = 5 mol/l.
- 6.3 Hydrochloric acid, c(HCl) ≈ 12 mol/l; ρ ≈ 1,18 g/ml.
- 6.4 Mixed acid solution, 0,8 mol/l nitric acid and 1,8 mol/l hydrochloric acid.
- 6.5 Standard stock solutions, concentration of 1 000 mg/l for each element. [Go to Page]
- 6.5.1 General
- 6.5.2 Standard solution, concentration of 100 mg/l of element.
- 6.5.3 Standard solution, concentration of 10 mg/l of element.
- 6.6 Argon, purity 99,995 % or better.
- 7 Apparatus [Go to Page]
- 7.1 Common laboratory glassware.
- 7.2 Inductively coupled plasma atomic emission spectrometer.
- 8 Procedure [Go to Page]
- 8.1 Preparation of test and blank solution
- 8.2 Preparation of the calibration solutions
- 8.3 Measurement [Go to Page]
- 8.3.1 Instrument conditions
- 8.3.2 Optimization of the instrument conditions
- 8.3.3 Interferences
- 8.3.4 Matrix effects
- 8.3.5 Spiking
- 9 Calculation and expression of the results
- 10 Test report [Go to Page]