Biological control methods. Method of determining the toxicity of water and water extracts from the soil, sewage sludge, waste from mortality and changes in fertility of ceriodaphnias
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Biological control methods. Methodology for determining the toxicity of water and water extracts from soils, sewage sludge, waste by mortality and changes in the fertility of daphnia
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Biological control methods. Methods for determining the toxicity of water, water extracts from the soil, sewage sludge and waste by changing the level of chlorophyll fluorescence and the number of algae cells
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Nature protection. Hydrosphere. General requirements for methods of determination petroleum products content in natural and waste waters
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Bleached cellulose and pulp mill sewage. Determination of adsorbable organic halogens (AOH). General requirements and methods of analysis
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Water of economical-drinking and industrial water supply. Chemical testing methods. Determination of iron content
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Water of domestic potable and industrial water supply. Chemical testing methods. Determination of total hardness
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Water of domestic potable and industrial water supply. Chemical testing methods. Determination of arsenic-containing substances
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Water of domestic potable and industrial water supply. Chemical testing methods. Determination of mineral nitrogen-containing substances
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Water of domestic potable and industrial water supply. Chemical testing methods. Determination of chlorine ion content
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Water of domestic potable and industrial water supply. Chemical testing methods. Determination of Fluor content
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Water of domestic potable and industrial water supply. Chemical testing methods. Determination of zinc content
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