哈希试剂pH Standard, IUPAC, pH4.005 at 25 °C

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

HACH DR6000紫外分光光度计，HACH DR6000多参数水质分析仪，HACH DR6000水质多参数分析仪
HACH DR3900便携式分光光度计，HACH DR3900多参数水质分析仪，HACH DR3900水质多参数分析仪
HACH DR2800便携式分光光度计，HACH DR2800多参数水质分析仪，HACH DR2800水质多参数分析仪
HACH DR900便携式分光光度计，HACH DR9000多参数水质分析仪，HACH DR900水质多参数分析仪
HACH DR1900便携式分光光度计，HACH DR1900多参数水质分析仪，HACH DR1900水质多参数分析仪
HACH DR1010 COD测定仪，HACH DR1010化学需氧量分析仪，HACH DR1010 COD测定仪
HACH 2100N台式浊度仪，HACH 2100N浊度仪，哈希2100N台式浊度仪
HACH 2100AN台式浊度仪，HACH 2100AN浊度仪，哈希2100AN台式浊度仪
HACH 2100Q便携式浊度仪，HACH 2100Q浊度仪，哈希2100Q便携式浊度仪
HACH 1900C便携式浊度仪，HACH 1900C浊度仪，哈希1900C便携式浊度仪