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National Sharing Platform for Reference Materials
Sponsor：National Institute of Metrology, China
GBW07308 Stream Sediments
70g
70g

$0.00

Status Now selling
Delivery Normal
Expire Date 2030-03-30

$0.00

Status Offshelf
Delivery Normal
Expire Date
Quantity:
- +

CodeGBW07308
DescriptionStream Sediments
Certificatehttps://www.ncrm.org.cn/English/CRM/pdf/GBW07308_20160301_13443859_1713109.pdf
NMI Service Identifier
Measurement Service Sub-Category
Certified Value Standard Diviation(S) Unit Memo
Ag 0.12 0.02 Mass fraction (10 -6 )
As 7.3 0.5 Mass fraction (10 -6 )
B 5.3 1.1 Mass fraction (10 -6 )
Ba 620 17 Mass fraction (10 -6 )
Be 3.5 0.3 Mass fraction (10 -6 )
Bi 0.18 0.02 Mass fraction (10 -6 )
Cd 0.16 0.01 Mass fraction (10 -6 )
Co 6.8 0.6 Mass fraction (10 -6 )
Cr 11.6 1.6 Mass fraction (10 -6 )
Cs 9.7 0.3 Mass fraction (10 -6 )
Cu 5.8 1.4 Mass fraction (10 -6 )
Dy 5.4 0.4 Mass fraction (10 -6 )
Er 3.1 0.5 Mass fraction (10 -6 )
Eu 1.03 0.03 Mass fraction (10 -6 )
F 646 13 Mass fraction (10 -6 )
Ga 18.5 0.4 Mass fraction (10 -6 )
Gd 5.6 0.2 Mass fraction (10 -6 )
Ge 1.15 0.12 Mass fraction (10 -6 )
Hf 6.7 0.8 Mass fraction (10 -6 )
Hg 0.024 0.005 Mass fraction (10 -6 )
Ho 1.06 0.04 Mass fraction (10 -6 )
In 0.070 0.006 Mass fraction (10 -6 )
La 45 2 Mass fraction (10 -6 )
Li 22 2 Mass fraction (10 -6 )
Mn 645 22 Mass fraction (10 -6 )
Mo 1.3 0.1 Mass fraction (10 -6 )
Nb 27 3 Mass fraction (10 -6 )
Nd 33 1 Mass fraction (10 -6 )
Ni 3.0 0.6 Mass fraction (10 -6 )
P 221 10 Mass fraction (10 -6 )
Pb 37 2 Mass fraction (10 -6 )
Ce 88 3 Mass fraction (10 -6 )
Rb 232 4 Mass fraction (10 -6 )
Sb 0.38 0.05 Mass fraction (10 -6 )
Sc 9.0 0.7 Mass fraction (10 -6 )
Se 0.14 0.02 Mass fraction (10 -6 )
Sm 6.3 0.1 Mass fraction (10 -6 )
Sn 3.8 0.4 Mass fraction (10 -6 )
Sr 52 2 Mass fraction (10 -6 )
Ta 1.88 0.18 Mass fraction (10 -6 )
S （66） Mass fraction (10 -6 )
Tb 0.90 0.02 Mass fraction (10 -6 )
Th 20.5 1.1 Mass fraction (10 -6 )
Ti 0.29 0.01 Mass fraction (10 -2 )
Tl 1.60 0.16 Mass fraction (10 -6 )
Tm 0.53 0.04 Mass fraction (10 -6 )
U 4.7 0.3 Mass fraction (10 -6 )
V 31 3 Mass fraction (10 -6 )
W 3.3 0.2 Mass fraction (10 -6 )
Y 29 3 Mass fraction (10 -6 )
Yb 3.4 0.4 Mass fraction (10 -6 )
Zn 80 2 Mass fraction (10 -6 )
Zr 228 10 Mass fraction (10 -6 )
SiO2 73.58 0.27 Mass fraction (10 -2 )
Al2O3 13.25 0.07 Mass fraction (10 -2 )
TFe2O3 3.70 0.05 Mass fraction (10 -2 )
FeO （0.43） Mass fraction (10 -2 )
MgO 0.47 0.04 Mass fraction (10 -2 )
CaO 0.17 0.02 Mass fraction (10 -2 )
Na2O 0.38 0.02 Mass fraction (10 -2 )
K2O 4.31 0.07 Mass fraction (10 -2 )
H2O+ 2.98 0.30 Mass fraction (10 -2 )
CO2 (0.16) Mass fraction (10 -2 )
Corg (0.11) Mass fraction (10 -2 )
Lu 0.54 0.05 Mass fraction (10 -6 )
Pr 9.4 0.3 Mass fraction (10 -6 )
I 1.2 0.2 Mass fraction (10 -6 )
N (119) Mass fraction (10 -6 )
TC (0.18) Mass fraction (10 -2 )
Br 1.1 0.2 Mass fraction (10 -6 )
Cl （29） Mass fraction (10 -6 )
Te （0.03） Mass fraction (10 -6 )
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