GBW04411 Certified Reference MateriaI for Rb-Sr Dating (Potassium FeIdspar)

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10g

Quantity:

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Code

GBW04411

Description

Certified Reference MateriaI for Rb-Sr Dating (Potassium FeIdspar)

Certificate

https://www.ncrm.org.cn/English/CRM/pdf/GBW04411_20160301_094017746_824800.pdf

NMI Service Identifier

Measurement Service Sub-Category

	Certified Value	Certified Uncertainty	Unit
⁸⁷Sr⁸⁶Sr	0.75999	0.00020	Standard values
Rb	249.47	1.04	Mass fraction (10 ^{-6 )}
Sr	158.92	0.70	Mass fraction (10 ^{-6 )}