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Niobium pentoxide. Ionometry method for determination of fluor content

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Niobium pentoxide. Atomic-emission method for determination of titanium , silicon, iron, nickel, aluminium, magnesium, manganese, cobalt, chromium, lead and zirconium

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Wood protective substances. Express method of tests of washing out

Document status: Replaced by GOST R 50241-2021

Mechanical pencils. Part 2. Black leads. Classification and dimensions

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Complete compound feeds for laboratory animals. Specifications

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Paints and varnishes. Test methods of metal content. Determination of 'soluble' barium content. Flame atomic emission spectrometric method

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