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National Sharing Platform for Reference Materials
Sponsor：National Institute of Metrology, China
GBW03109 Gypsum
50g
50g

$180.00

Status Now selling
Delivery Normal
Expire Date 2026-02-19

$0.00

Status Offshelf
Delivery Normal
Expire Date 2025-08-31
Quantity:
- +

CodeGBW03109
DescriptionGypsum
Certificate
NMI Service Identifier
Measurement Service Sub-Category
Certified Value Certified Uncertainty Unit Memo
SiO2 1.68 0.05 Mass fraction (10 -2 )
Al2O3 0.34 0.03 Mass fraction (10 -2 )
Fe2O3 0.16 0.01 Mass fraction (10 -2 )
CaO 39.24 0.06 Mass fraction (10 -2 )
MgO 1.74 0.05 Mass fraction (10 -2 )
K2O 0.094 0.010 Mass fraction (10 -2 )
Na2O 0.065 0.004 Mass fraction (10 -2 )
TiO2 0.016 0.002 Mass fraction (10 -2 )
SO3 51.91 0.06 Mass fraction (10 -2 )
H2O+ 0.39 0.02 Mass fraction (10 -2 )
Cl 0.033 0.003 Mass fraction (10 -2 )
CO2 (4.02) Mass fraction (10 -2 )
SrO (0.27) Mass fraction (10 -2 )
L.O.I 4.55 0.04 Mass fraction (10 -2 )
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