DB37/T 3458-2018 English Version, DB37/T 3458-2018 Environmental organisms—Determination of tritium and carbon 14 activities—Liquid scintillation counting method (English Version)

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DB37/T 3458-2018 Environmental organisms—Determination of tritium and carbon 14 activities—Liquid scintillation counting method (English Version)
Standard No.:	DB37/T 3458-2018	Status:	valid remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	5500 words	Price(USD):	165.0 remind me the price change Email:
Implemented on:	2019-1-29	Delivery:	via email in 1~3 business day

Standard No.:	DB37/T 3458-2018
English Name:	Environmental organisms—Determination of tritium and carbon 14 activities—Liquid scintillation counting method
Chinese Name:	环境生物氚、碳-14 的测定液体闪烁计数法
Chinese Classification:	Z15 Analysis methods for toxic substances in atmosphere
Professional Classification:	DB Provincial Standard
ICS Classification:	13.040.20 13.040.20 Ambient atmospheres 13.040.20
Issued on:	2018-12-29
Implemented on:	2019-1-29
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	165.0
Delivery:	via email in 1~3 business day

Standard

DB37/T 3458-2018 Environmental organisms—Determination of tritium and carbon 14 activities—Liquid scintillation counting method (English Version)
Standard No.	DB37/T 3458-2018
Status	valid
Language	English
File Format	PDF
Word Count	5500 words
Price(USD)	165.0
Implemented on	2019-1-29
Delivery	via email in 1~3 business day

Detail of DB37/T 3458-2018

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Introduction of DB37/T 3458-2018

本标准规定了测定环境生物中氚、碳-14的液体闪烁计数法。
本标准适用于环境生物中组织自由水氚、有机结合氚、碳-14的测定。
本方法的探测下限取决于：组织自由水占生物鲜样的质量分数、氢元素占生物干样的质量分数、碳元素占生物干样的质量分数、仪器计数效率、仪器本底、测量时间等。典型条件下，组织自由水氚的探测下限可达0.9 Bq/（kg?鲜），有机结合氚的探测下限可达0.3 Bq/（kg?鲜），碳-14的探测下限可达16.0 Bq/（kg?鲜）。

Contents of DB37/T 3458-2018

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