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National Sharing Platform for Reference Materials
Sponsor：National Institute of Metrology, China
GBW07305 Stream Sediments
70g
70g

$0.00

Status Offshelf
Delivery Normal
Expire Date 2025-12-01

$0.00

Status Offshelf
Delivery Normal
Expire Date 2030-05-31
Quantity:
- +

CodeGBW07305
DescriptionStream Sediments
Certificatehttps://www.ncrm.org.cn/English/CRM/pdf/GBW07305_20160301_134359246_1713109.pdf
NMI Service Identifier
Measurement Service Sub-Category
Certified Value Standard Diviation(S) Unit Memo
Ag 0.63 0.06 Mass fraction (10 -6 )
As 74 4 Mass fraction (10 -6 )
B 96 8 Mass fraction (10 -6 )
Ba 681 16 Mass fraction (10 -6 )
Be 2.5 0.1 Mass fraction (10 -6 )
Bi 3.0 0.2 Mass fraction (10 -6 )
Cd 1.37 0.10 Mass fraction (10 -6 )
Co 15.3 0.5 Mass fraction (10 -6 )
Cr 68 2 Mass fraction (10 -6 )
Cs 10.4 0.2 Mass fraction (10 -6 )
Cu 118 4 Mass fraction (10 -6 )
Dy 5.1 0.2 Mass fraction (10 -6 )
Er 3.0 0.2 Mass fraction (10 -6 )
Eu 1.23 0.03 Mass fraction (10 -6 )
F 582 17 Mass fraction (10 -6 )
Ga 18.7 0.6 Mass fraction (10 -6 )
Gd 5.5 0.2 Mass fraction (10 -6 )
Ge 1.59 0.11 Mass fraction (10 -6 )
Hf 8.2 0.6 Mass fraction (10 -6 )
Hg 0.29 0.03 Mass fraction (10 -6 )
Ho 1.03 0.08 Mass fraction (10 -6 )
In 0.117 0.010 Mass fraction (10 -6 )
La 41 1 Mass fraction (10 -6 )
Li 42 2 Mass fraction (10 -6 )
Mn 917 25 Mass fraction (10 -6 )
Mo 1.64 0.09 Mass fraction (10 -6 )
Nb 17.3 0.7 Mass fraction (10 -6 )
Nd 34 1 Mass fraction (10 -6 )
Ni 31 1 Mass fraction (10 -6 )
P 575 23 Mass fraction (10 -6 )
Pb 102 4 Mass fraction (10 -6 )
Ce 82 2 Mass fraction (10 -6 )
Rb 129 4 Mass fraction (10 -6 )
Sb 8.9 0.7 Mass fraction (10 -6 )
Sc 12.1 0.5 Mass fraction (10 -6 )
Se 0.37 0.04 Mass fraction (10 -6 )
Sm 6.1 0.1 Mass fraction (10 -6 )
Sn 5.0 0.5 Mass fraction (10 -6 )
Sr 78 2 Mass fraction (10 -6 )
Ta 1.3 0.1 Mass fraction (10 -6 )
S 0.24 0.03 Mass fraction (10 -2 )
Tb 0.90 0.06 Mass fraction (10 -6 )
Te （0.3） Mass fraction (10 -6 )
Th 14.8 0.7 Mass fraction (10 -6 )
Ti 0.46 0.02 Mass fraction (10 -2 )
Tl 0.84 0.06 Mass fraction (10 -6 )
Tm 0.48 0.03 Mass fraction (10 -6 )
U 3.9 0.2 Mass fraction (10 -6 )
V 99 3 Mass fraction (10 -6 )
W 5.5 0.3 Mass fraction (10 -6 )
Y 29 2 Mass fraction (10 -6 )
Yb 3.1 0.3 Mass fraction (10 -6 )
Zn 263 5 Mass fraction (10 -6 )
Zr 275 17 Mass fraction (10 -6 )
SiO2 69.33 0.20 Mass fraction (10 -2 )
Al2O3 13.40 0.09 Mass fraction (10 -2 )
TFe2O3 5.27 0.07 Mass fraction (10 -2 )
FeO (0.78) Mass fraction (10 -2 )
MgO 1.29 0.03 Mass fraction (10 -2 )
CaO 0.77 0.02 Mass fraction (10 -2 )
Na2O 0.64 0.03 Mass fraction (10 -2 )
K2O 2.59 0.05 Mass fraction (10 -2 )
H2O+ 3.97 0.26 Mass fraction (10 -2 )
CO2 （0.45） Mass fraction (10 -2 )
Corg （0.51） Mass fraction (10 -2 )
Lu 0.49 0.03 Mass fraction (10 -6 )
Pr 9.3 0.2 Mass fraction (10 -6 )
TC (0.7) Mass fraction (10 -2 )
Br 1.7 0.3 Mass fraction (10 -6 )
Cl （36） Mass fraction (10 -6 )
I 2.4 0.4 Mass fraction (10 -6 )
N 640 54 Mass fraction (10 -6 )
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