Test methods of materials, catalog, Chinese national standards
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GB/T 21921 Test method for tensile strength of impermeable graphite materials
GB/T 23761 Test method of photocatalytic materials for air purification
GB/T 23762 Test method of photocatalytic materials for purification of water solution
GB/T 23763 Photo-catalytic antimicrobial materials and products - Assessment for antimicrobial activity and efficacy
GB/T 23764 Test method of photocatalytic materials for self-cleaning
GB/T 25188 Thickness measurements for ultrathin silicon oxide layers on silicon wafers X-ray photoelectron spectroscopy
GB/T 26489 Methods for measuring super amphiphilicity of nanomaterials
GB/T 26490 Methods for measuring super hydrophobicity of nanomaterials
GB/T 26826 Measurement for diameter of carbon nanotubes
GB/T 29856 Characterization of semiconducting single-walled carbon nanotubes using near infrared photoluminescence spectroscopy
GB/T 33396 Optical functional films - Cellulose triacetate(TAC) film - Determination of halogen content
GB/T 33397 Optical functional films - Cellulose triacetate(TAC) film - Determination of retardation
GB/T 33398 Optical functional films - Polyethylene terephthalate(PET) film - Determination of surface resistance
GB/T 33399 Optical functional films - Polyethylene terephthalate(PET) film - Determination of thickness
GB/T 33839 Methods of transmission electron microscope for biological specimen containing carbon nanomaterials involving biological effect