Standard No.:	GB/T 42333-2023
English Name:	Soil and stream sediment—Determination of iodine content—Pressurized ammonia extraction inductively coupled plasma mass spectrometry
Chinese Name:	土壤、水系沉积物 碘含量的测定 氨水封闭溶解-电感耦合等离子体质谱法
Chinese Classification:	D47
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2023-03-17
Implemented on:	2023-7-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	195.00
Delivery:	via email in 1~3 business day

本文件描述了氨水封闭溶解 电感耦合等离子体质谱法测定土壤和水系沉积物中碘含量的方法。
本文件适用于土壤和水系沉积物中，下列方法检出限和测定范围的碘含量的测定：
――方法检出限为0.07 μg/g；
――测定范围为0.23 μg/g~100 μg/g。