Plastics. Testing methods of plastics resistance to chemical substances
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Gas analyzers. Dimensions for threaded joints and hose couplings
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Water. Spectrophotometric determination of chlorophyll a
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pH-measuring. Tablets for preparing the working buffer solutions
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Gases. Picknometric method for determination of density
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Standard reference silver-silver chloride saturate electrode of second class
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Amperometric analysers for dissolved oxygen SSI. General technical requirements
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Stationary distillation desalting units. Methods of distillate chemical analysis
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Stationary distillation desalting units. Methods of saline water and distillate chemical analysis on gas content
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Stationary distillation desalting units. Methods of chemical analysis of scale and slurries
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Stationary distillation desalting units. Methods of washing solution chemical analysis at the equipment cleaning
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Analytical gas chromatographs. Specifications and testing methods
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