GB - Chinese national standards

Plastics—Thermogravimetry (TG) of polymers—Part 3: Determination of the activation energy using the Ozawa-Friedman plot and analysis of the reaction kinetics

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Polarizing film—Test method of optical retardation

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Polarizing optical film—Determination for adhesion of coating

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Reactive dyes—Determination of reactivity

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Optical functional films—Superficial hardening film—Determination of thickness of hardening coating

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Microporous functional membrane—Measurement for Porosity—Absorption method by cetane

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Determination of content of sodium sulfide in sulphur dye products

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Technical specification of treatment and disposal for zinc-containing waste materials

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Technical specification for fluorine waste gas treatment and disposal

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Methods for sampling and sample preparation of waste chemicals

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