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GB/T 27501-2011 Preparation method of buffer solutions for the measurement of pH value (USD) via email in 1-3 business day VALID
GB/T 30097-2013 Thermal analyzer for molten cast iron (USD) via email in 1-3 business day VALID
GB/T 25481-2010 On-line ultraviolet/visible spectrum analyzer (USD) via email in 1-3 business day VALID
GB/T 27503-2011 Test solutions of electrolytic conductivity analyzer—Preparation method of sodium chloride solutions (USD) via email in 1-3 business day VALID
GB/T 26813-2011 Double beam UV/VIS spectrophotometer (USD) via email in 1-3 business day VALID
GB/T 28634-2012 Microbeam analysis—Electron probe microanalysis—Quantitative point analysis for bulk specimen using wavelength dispersive X-ray spectroscopy (USD) via email in 1-3 business day VALID
GB/T 27502-2011 Preparation method of reference solutions for the measurement of conductivity (USD) via email in 1-3 business day VALID
JB/T 9369-1999 Differential thermal analyzer via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 8280-1999 Specifications of thermomegnetic oxygen analyzers (USD) via email in 1-3 business day VALID
GB/T 26793-2011 Coulometry micro water teller (USD) via email in 1-3 business day VALID
GB/T 25476-2010 Tunable laser gas analyzer (USD) via email in 1-3 business day VALID
GB/T 20245.4-2013 Expression of performance of electrochemical analyzers—Part 4:Dissolved oxygen in water measured by membrane covered amperometric sensors (USD) via email in 1-3 business day VALID
GB/T 34065-2017 Safety requirements for analyzers (USD) via email in 1-3 business day VALID
GB/T 26811-2011 Ion selective electrodes (USD) via email in 1-3 business day VALID
JB/T 6243-1992 (USD) via email in 1-3 business day
GB/T 17360-2008 Quantitative analysis method of low content Si and Mn in steel with electron probe microanalysis (USD) via email in 1-3 business day VALID
GB/T 18873-2008 General guide of transmission electron microscope (TEM)-X-ray energy dispersive spectrometry(EDS)quantitative microanalysis for thin biological specimens (USD) via email in 1-3 business day VALID
GB/T 32198-2015 Standard practice for general techniques of infrared quantitative analysis (USD) via email in 1 business day VALID
GB/T 20245.2-2013 Expression of performance of electrochemical analyzers—Part 2:pH value (USD) via email in 1-3 business day VALID
GB/T 17359-2012 Microbeam analysis - Quantitative analysis using energy dispersive spectrometry via email in VALID please email coc@codeofchina.com for quotation
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