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Activated carbon. Standard test method for determination of acid soluble iron via atomic absorption spectrometry
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Peat and products of its processing for agriculture. Methods for determination of nitrate nitrogen
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Stationary distillation desalting units. Methods of saline water and distillate chemical analysis on gas content
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Petroleum and natural gas industries. Subsurface safety valve systems. Design, installation, operation and redress. General technical requirements
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