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Technical Advice & Resources
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Speciality Products Technical Information
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Provides information about which material types should be used with each gas and which should be avoided. Download material compatibility document
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Provides information about the properties of gases, such as density, boiling point and lower explosive limit. Download physical properties document
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The methods by which we generate certificates for our gas mixtures and how these can be traced back to SI units. Read more about certification and traceability
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The shelf-life of mixtures and pure gases and how BOC treat cylinders to extend the shelf-life of low-level reactive gas mixtures. Read more about stability and SPECTRA-SEAL
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Explains where uncertainties arise in gas mixtures, from filling to certification, and how this is reflected in the product you receive. Read more about accuracy and tolerances
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Explains the methods used to grade the different purities of gases supplied by BOC. Read more about purity and grades
