China National Standards

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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "bright" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 40277-2021 Paper,board and pulps—Measurement of diffuse blue reflectance factor(ISO brightness)—Indoor daylight conditions
    纸、纸板和纸浆 蓝光漫反射因数(ISO亮度)的测定 室内日光条件
    China National Standards
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    GB/T 40900-2021 Determination of fluorescent brightener 367 and fluorescent brightener 393 in cosmetics—Liquid chromatography-tandem mass spectrometry
    化妆品中荧光增白剂367和荧光增白剂393的测定 液相色谱-串联质谱法
    China National Standards
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    GB/T 24328.11-2020 Tissue paper and tissue products—Part 11: Determination of optical properties—Measurement of brightness and colour—C/2°(indoor daylight) illuminant
    卫生纸及其制品 第11部分:光学性能的测定 亮度和颜色的测定 C/2°(室内日光条件)
    China National Standards
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    GB/T 24328.8-2020 Tissue paper and tissue products—Part 8: Determination of optical properties—Measurement of brightness and colour—D65/10°(outdoor daylight conditions)
    卫生纸及其制品 第8部分:光学性能的测定 亮度和颜色的测定 D65/10°(室外日光条件)
    China National Standards
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    GB/T 24981.2-2020 Test methods of rare earth long afterglow phosphors—Part 2: Determination of afterglow brightness
    稀土长余辉荧光粉试验方法 第2部分:余辉亮度的测定
    China National Standards
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    GB/T 38339-2019 Determination of phosphorus content in fluorescent brightener products
    荧光增白剂产品中磷含量的测定
    China National Standards
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    GB/T 37280-2019 Determination of microorganisms in fluorescent brighteners product
    荧光增白剂产品中微生物的测定
    China National Standards
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    GB/T 33877-2017 Non-destructive testing—Test method for comparing the brightness of fluorescent penetrants
    无损检测 荧光渗透剂亮度测定方法
    China National Standards
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    GB 31604.47-2016 National Food Safety Standard-Food contact materials and products-Paper, board and paper products in the determination of fluorescent brighteners
    食品安全国家标准 食品接触材料及制品 纸、纸板及纸制品中荧光增白剂的测定
    China National Standards
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    GB 1886.217-2016 National Food Safety Standard - Food Additives - bright blue
    食品安全国家标准 食品添加剂 亮蓝
    China National Standards
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    GB/T 7974-2013 Paper, board and pulps - Measurement of diffuse blue reflectance factor - D65 brightness(Diff/Geometry,Outdoor daylight conditions)
    纸、纸板和纸浆 蓝光漫反射因数D65亮度的测定(漫射/垂直法,室外日光条件)
    China National Standards
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    GB/T 29598-2013 Limit and determination of triazines in fluorescent brighteners
    荧光增白剂中三嗪类杂质的限量与测定
    China National Standards
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    GB/T 26464-2011 Determination of brightness(whiteness) for paper inorganic pigments
    造纸无机颜料亮度(白度)的测定
    China National Standards
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    GB/T 24981.2-2010 Test methods of long afterglow phosphors activated by rare earths - Part 2: Determination of relative brightness
    稀土长余辉荧光粉试验方法 第2部分:相对亮度的测定
    China National Standards
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    GB/T 14634.1-2010 Test methods of rare earth three-band phosphors for fluorescent lamps - Part 1: Determination of relative brightness
    灯用稀土三基色荧光粉试验方法 第1部分:相对亮度的测定
    China National Standards
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    GB/T 24999-2010 Paper and board - Highest limitation of brightness
    纸和纸板 亮度(白度)最高限量
    China National Standards
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    GB/T 23595.2-2009 Test methods of rare earth yellow phosphor for white LED lamps - Part 2: Determination of relative brightness
    白光LED灯用稀土黄色荧光粉试验方法 第2部分:相对亮度的测定
    China National Standards
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    GB/T 3207-2008 bright steel
    银亮钢
    China National Standards
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    GB/T 8940.2-2002 Pulp--Preparation of laboratory sheets for the measurement of brightness
    纸浆亮度(白度)试样的制备
    China National Standards
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