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About product and suppliers:
        Alibaba.com offers 994 refractometer salinity products. About 86% of these are refractometers, 1% are ph meters. 

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

There are 994 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 Southern Europe, Domestic Market, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 207 with ISO9001, 46 with Other, and 17 with ISO13485 certification.