Technical sodium pyrosulfite. Specifications
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Hydroquinone (paradioxybenzene). Specifications
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Sodium salt benzenesulphinic acid. Specifications
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Photographic grade sodium thiosulphate, crystalline - specification
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n-Aminodiethylanilin sulphate. Specifications
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Photographic materials. Method for determination of thiosulphate content
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Photographic materials. Method for determination of residue chemicals content
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Photographic materials. Method for determination of light effect on residue silver compounds
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Photographic gelatine. Method of moisture determination
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Photographic gelatine. Acceptance rules and samples selection
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Photographic gelatine. Method of determination of small particles
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Photographic gelatine. Method of determination of dissolution duration
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