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National Sharing Platform for Reference Materials
Sponsor：National Institute of Metrology, China
GBW13105 pH standard-Disodium hydrogen
20g

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CodeGBW13105
DescriptionpH standard-Disodium hydrogen
Certificatehttps://www.ncrm.org.cn/English/CRM/pdf/GBW13105_20160225_091321444_1260638.pdf
NMI Service Identifier
Measurement Service Sub-Category
Certified Value Certified Uncertainty Unit Memo
content or concentration 6.864 0.005PH pH(25℃)
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