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About product and suppliers:
        Alibaba.com offers 865 refractometer salinity products. About 84% of these are refractometers, 1% are ph meters. 

A wide variety of refractometer salinity options are available to you, such as paid samples, free samples. 

There are 865 refractometer salinity suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of refractometer salinity respectively. 

Refractometer salinity products are most popular in Domestic Market, Western Europe, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 199 with ISO9001, 50 with Other, and 21 with ISO13485 certification.