Precursor
Precursor, Total:18 items.
The international standard classification for "Precursor" includes: Toys , Ambient atmospheres .
The Chinese standard classification for "Precursor" includes: Analysis methods for toxic substances in atmosphere .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 41413-2022 Determination of migration of N-nitrosamines and N-nitrosatable substances in toys—High performance liquid chromatography-tandem mass spectrometry
Shandong Provincial Standard of the People's Republic of China
- DB37/T 4434-2021 Ambient air—Determination of 57 kinds of ozone precursor compounds—Collected inspecially-prepared canisters and analyzed by gas chromatography-flame ionization detector/mass spectrometer
European Committee for Standardization (CEN)
- EN 71-12:2016 Safety of toys - Part 12: N-Nitrosamines and N-nitrosatable substances
- EN 71-12:2013 Safety of toys - Part 12: N-Nitrosamines and N-nitrosatable substances
American Water Works Association (AWWA)
- AWWA WQTC71466 DBP Formation Potential from Different Precursors in Swimming Pools
- AWWA WQTC55003 Assessing Seasonal Variations in the DBP Precursor Profile of a Reservoir Water
- AWWA JAW26621 Journal AWWA — Evaluation of THM Precursor Contributions From Agricultural Drains
- AWWA ACE58267 Effectiveness of Pre- and Post-Ozonation on the Enhanced Coagulation of DBP Precursors
- AWWA JAW64704 Journal AWWA — Internal and External Sources of THM Precursors in a Midwestern Reservoir
- AWWA ACE94126 Biodegradation of Natural Organic Matter and Disinfection By-Product Precursors
- AWWA JAW59118 Journal AWWA — Comparing RBF with Bench-Scale Conventional Treatment for Precursor Reduction
- AWWA ACE91061 Disinfection Byproducts Precursor Removal
British Standards Institution (BSI)
- BS EN 71-12:2013 Safety of toys. N-Nitrosamines and N-nitrosatable substances
Association Francaise de Normalisation
- NF S51-223:2013 Safety of toys - Part 12: N-nitrosamines and N-nitrosatable substances
German Institute for Standardization
- DIN EN 71-12 E:2015-04 Safety of toys - Part 12: N-Nitrosamines and N-nitrosatable substances
- DIN EN 71-12 E:2012-05 Safety of toys - Part 12: N-Nitrosamines and N-nitrosatable substances
- DIN EN 71-12:2013 Safety of toys - Part 12: N-nitrosamines and N-nitrosatable substances; German version EN 71-12:2013
- DIN EN 71-12:2017 Safety of toys - Part 12: N-Nitrosamines and N-nitrosatable substances; German version EN 71-12:2016
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