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Water quality. Physical, chemical and biochemical methods. Determination of the sum of calcium and magnesium: EDTA titrimetric method.
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Water quality. Biological methods. Determination of the prolonged toxicity of substances to freshwater fish. Method for evaluating the effects of substances on the growth rate of rainbow trout [Oncorhynchus mykiss Walbaum (Teleostei, Salmonidae)].
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Water quality. Biological methods. Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganisms. Section 5.25 Determination of the inhibitory effect of water constituents on the growth of activated sludge organisms.
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Water quality. Determination of long term toxicity of substances to Daphnia magna Straus (Cladocera, Crustacea).
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Water quality. Sampling. Guidance on sampling of water and steam in boiler plants.
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Water quality. Sampling. Guidance on sampling from marine waters.
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Method for measuring the pinch temperature of quartz-tungsten-halogen lamps.
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Industrial electroheating equipment. Test methods for submerged-arc furnaces.
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Flexible insulating sleeving. Definitions and general requirements.
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Flexible insulating sleeving. Methods of test.
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