GB/T 17593.2-2007 Translated English of Chinese Standard. (GBT 17593.2-2007, GB/T17593.2-2007, GBT17593.2-2007): Textiles - Determination of heavy metals - Part 2: Inductively coupled plasma atomic emission spectrometryhttps://www.chinesestandard.net, 28 juin 2015 - 9 pages This Part of GB/T 17593 specifies the method for simultaneously determining the eight extractable heavy metal elements - arsenic (As), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb), and antimony (Sb) in the textiles by adopting inductively coupled plasma atomic emission spectrometry (ICP). |
Table des matières
Foreword | 4 |
Reagents and Materials | 5 |
Instruments and Equipment | 6 |
Result Calculation | 7 |
Test Report | 8 |
Appendix A Informative Working Conditions of the ICP Spectrometer | 9 |
Expressions et termes fréquents
0.274g of antimony 1000mL volumetric flask acid sweat solution antimony potassium tartrate arithmetic average arithmetical mean arsenic trioxide atomic emission spectrometer blank solution calculate change in color clear plasma torch constant weight coupled plasma atomic determination lower limit Determination of Lower Determine the spectral different instruments dissolve into water emission spectrometer ICP extractable heavy metal flask and dilute given instrument condition heavy metal elements hydrochloric acid solution hydroxide solution 100g/L inductively coupled plasma instrument condition instruments may vary laboratory latest edition lead nitrate Lead Pb mass concentration measured values nitric acid normal temperature 15°C~25°C plasma atomic emission potassium dichromate K2Cr2O7 precipitation or change Precision 8.1 Determination re-preparation requirements specified series working solutions single element sodium hydroxide solution of single spectral intensity standard stock solution Standard working solution Test Report test result tested element Testing Method Thermostatic water bath to-be-determined elements turbidity Unless otherwise specified warm and dissolve water bath oscillator