GB/T 27652-2011
Methods of pretreatment for chemical analysis of preservative-treated wood (English Version)
- Standard No.
- GB/T 27652-2011
- Language
- Chinese, Available in English version
- Release Date
- 2011
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 27652-2011
- Scope
- This standard specifies four methods of pretreatment before chemical analysis of preservative wood: hydrogen peroxide-nitric acid digestion method, perchloric acid digestion method, microwave-nitric acid digestion method and hydrogen peroxide-dilute sulfuric acid water bath method. This standard is applicable to the pretreatment for analyzing the content of active ingredients such as arsenic, chromium, copper and phosphate in preservative wood. Among them, microwave-nitric acid digestion method and hydrogen peroxide-dilute sulfuric acid water bath method are suitable for the pretreatment of atomic absorption spectrometer, inductively coupled plasma emission spectrometer and atomic fluorescence spectrometer before analyzing the effective components of preservative wood.
GB/T 27652-2011 Referenced Document
- GB/T 1933 Method for determination of the density of wood
GB/T 27652-2011 history
- 2011 GB/T 27652-2011 Methods of pretreatment for chemical analysis of preservative-treated wood
