Borosilicate glass 3.3. DIN 51368. Interchangeable hollow glass stopper size 19/26. Calibrated to contain (TC, In). For determination of oil content in aqueous oil emulsions (e.g. drilling oil). 0 - 5 ml (Error Limit ± 0,10 ml); 5 - 30 ml (Error Limit ± 0,5 ml)
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