Conductivity is not measured at different temperatures to create a correction table. Over typical measurement temperatures, the industry standard is a correction factor of 2% per °C. The CRM should be used to calibrate or confirm the conductivity meter, which should read 25 µmhos/cm at 25 °C. If a reading of 25 µmhos/cm is not obtained, the instrument may require adjustment. Alternatively, the standard correction factor or another factor can be used to calculate acceptance criteria at the measurement temperature.
COND25
Conductivity Standard - 25 μmhos/cm
certified reference material
Synonym(s):
25 μmhos/cm Conductivity Calibration Standard
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About This Item
NACRES:
NA.24
UNSPSC Code:
41116107
Pricing and availability is not currently available.
grade
certified reference material
Quality Segment
CofA
current certificate can be downloaded
manufacturer/tradename
RTC COND-25-0.500
concentration
in H2O
application(s)
environmental
food and beverages
pharmaceutical
water monitoring
format
single component solution
storage temp.
2-30°C
General description
This ready-to-use certified reference material (CRM) is produced and qualified following ISO 17034 and ISO/IEC 17025. It is manufactured gravimetrically with traceability to SI and higher order standards from National Institute of Standards and Technology (NIST). Its certified value is based on purity determination by mass balance and gravimetrically prepared value. It is delivered in a 500 mL HDPE bottle.
All information regarding metrological traceability, uncertainty, homogeneity and stability is documented in the certificate of analysis (CoA).
All information regarding metrological traceability, uncertainty, homogeneity and stability is documented in the certificate of analysis (CoA).
Application
Suitable for use in calibration of instruments for conductivity measurements.
Other Notes
Values of analytes vary lot to lot. Some lots may not contain all analytes.
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This Item | |||
|---|---|---|---|
| application(s) environmental | application(s) environmental | application(s) environmental | application(s) environmental |
| format single component solution | format single component solution | format single component solution | format single component solution |
| grade certified reference material | grade certified reference material | grade certified reference material | grade certified reference material |
| storage temp. 2-30°C | storage temp. 2-30°C | storage temp. 2-30°C | storage temp. 2-30°C |
| concentration in H2O | concentration in H2O | concentration in H2O | concentration in H2O |
| Quality Level 300 | Quality Level 100, 300 | Quality Level 300 | Quality Level 300 |
Storage Class
10 - Combustible liquids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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when i use this solution, if the temperature value not 25 Celcius,, example the temperature value is 29 celcius, what value will be read?
1 answer-
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