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Refrigeration systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements and classification. Original standard BS EN ISO 13971-2025 in PDF full version. Additional info + preview on request

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Soil and waste. Determination of chromium(VI) in solid material by alkaline digestion and ion chromatography with spectrophotometric detection. Original standard BS EN ISO 15192-2025 in PDF full version. Additional info + preview on request

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Metallic materials - Tube ring hydraulic pressure test. Original standard BS EN ISO 15363-2025 in PDF full version. Additional info + preview on request

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Specification and qualification of welding procedures for metallic materials. Welding procedure test - Arc welding of aluminium and its alloys. Original standard BS EN ISO 15614-2-2025 in PDF full version. Additional info + preview on request

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Water quality. Analysis of microplastic in water. Vibrational spectroscopy methods for waters with low content of suspended solids including drinking water. Original standard BS EN ISO 16094-2-2025 in PDF full version. Additional info + preview on request

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Environmental solid matrices. Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS). Original standard BS EN ISO 16965-2025 in PDF full version. Additional info + preview on request

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