GB - Chinese national standards

Rare earth three-band phosphors for fluorescent lamps

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Test methods of rare earth three-band phosphors for fluorescent lamps - Part 1: Determination of relative brightness

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Test methods of rare earth three-band phosphors for fluorescent lamps - Part 2: Determination of emission dominantpeak and chromaticity

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Test methods of rare earth three-band phosphors for fluorescent lamps - Part 3: Determination of thermostability

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Test methods of rare earth three-band phosphors for fluorescent lamps - Part 5: Determination of density

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Test methods of rare earth three-band phosphors for fluorescent lamps - Part 6: Determination of specific surface area

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Test methods of rare earth three-band phosphors for fluorescent lamps - Part 7: Determination of temperature quenching

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Rare earth metals and their compounds—Determination of total rare earth content

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Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method

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Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method

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