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Ion-exchange membranes. Method for determination of total and equilibrium exchange capacity
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Sodiumhypochlorite aqueous solution. Specifications
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Raremetallic concentrates. Method for the determination of iron (general)
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Reagents. Cobalt chloride hexahydrate. Specifications
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Petroleum and natural gas industries. Materials for use in H2S-containing environments in oil and gas production. Part 1. General principles for selection of cracking-resistant materials
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