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哈希試劑pH Standard, IUPAC, pH4.005 at 25
- 發(fā)布日期：
- 有效日期：
- 所 在 地：
- 產(chǎn) 地：
- 已獲點(diǎn)擊：
- 2025年5月6日
- 2025年11月4日
- 上海上海市
- 88次
【產(chǎn)品簡介】
【詳細(xì)說明】
Each bottle （500 mL） is supplied with a COFRAC Verification Certificate and Certificate of Conformity and Traceability drawn up according to ISO31.
- Total Control of the traceability chain and calculated uncertainties
- Direct traceability to primary standards and the reference method
- The competence and integrity of a laboratory internationally recognized to be accredited for the measurement of pH and conductivity reference materials
Total Control of the traceability chain and calculated uncertainties
Direct traceability to primary standards and the reference method
The competence and integrity of a laboratory internationally recognized to be accredited for the measurement of pH and conductivity reference materials
Specifications
Concentration:4.005 ± 0.010 pH bij 25 °C
Description :traceable to IUPAC pH scale and NIST
Footnote:¹Behalve pH 7,000 door ons geformuleerd in overeenstemming met NIST-, IUPAC- en DIN19266-specificaties van pH 6,865 en pH 7,413 ²Dansk Fundamental Metrologi A/S is geaccrediteerd voor pH-metingen door het Deense accrediteringsorgaan Danske Akkrediterings- og Metrologifond （DANAK） （nr. 255）
NIST Traceable:yes
Parameter:pH
Platform :Buffer
Quantity:500 mL
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