S11M001是由上海肯强供应，产品价格优惠，欢迎致电我公司。 手机： QQ：935581225 邮箱：935581225@qq.com
S11M001 ：哈希 手机： QQ：935581225 邮箱：935581225@qq.com
Radiometer Analytical certified pH and conductivity standards give you:
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
