China National Standards

China tone GB Standards List


  •  China "tone" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 15057.9-1994 Limestone for chemical industry--Determination of phosphorus content--Molybdenum blue spectrophotometric method
    化工用石灰石中磷含量的测定 钼蓝分光光度法
    China National Standards
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    GB/T 15057.8-1994 Limestonefor chemical industry--Determination of sulfur content--Gravimetric and combustion-iodate titrimetric methods
    化工用石灰石中硫含量的测定 硫酸钡重量法和燃烧-碘酸钾滴定法
    China National Standards
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    GB/T 15057.7-1994 Limestone for chemical industry--Determination of aluminium oxide content--Chromazurol S spectrophotometric method
    化工用石灰石中氧化铝含量的测定 铬天青S分光光度法
    China National Standards
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    GB/T 15057.6-1994 Limestone for chemical industry--Determination of iron content--Phenanthroline spectrophotometric method
    化工用石灰石中铁含量的测定 邻菲啰啉分光光度法
    China National Standards
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    GB/T 15057.5-1994 Limestone for chemical industry--Determination of silicon dioxide content--Molybdenum blue spectrophotometric method
    化工用石灰石中二氧化硅含量的测定 钼蓝分光光度法
    China National Standards
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    GB/T 15057.4-1994 Limestone for chemical industry--Determination of iron and aluminium oxides content--Gravimetric method
    化工用石灰石中三氧化二物含量的测定 重量法
    China National Standards
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    GB/T 15057.3-1994 Limestone for chemical industry--Determination of insoluble matter content of hydrochloric acid--Gravimetric method
    化工用石灰石中盐酸不溶物含量的测定 重量法
    China National Standards
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    GB/T 15057.2-1994 Limestone for chemical industry--Determination of calcium and magnesium oxides content
    化工用石灰石中氧化钙和氧化镁含量的测定
    China National Standards
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    GB/T 15057.1-1994 Limestone for chemical industry--Methods of sampling and preparing
    化工用石灰石采样与样品制备方法
    China National Standards
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    GB/T 15057.11-1994 Limestone for chemical industry--Determination of size
    化工用石灰石粒度的测定
    China National Standards
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    GB/T 15057.10-1994 Limestone for chemical industry--Determination of content of loss on ignition--Gravimetric method
    化工用石灰石中灼烧失量的测定 重量法
    China National Standards
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    GB/T 13197-1991 Water quality--Determination of formaldehyde--Acetylacetone spectrophotometric method
    水质 甲醛的测定 乙酰丙酮分光光度法
    China National Standards
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    GB/T 11738-1989 Standard methodfor hygienic examination of methanol and acetone in air of residential areas--Gas chromatography
    居住区大气中甲醇、丙酮卫生检验标准方法 气相色谱法
    China National Standards
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    GB/T 7583-1987 Acoustics--Pure tone air conductionthreshold audio-metry--For hearing conservation purposes
    声学 纯音气导听阈测定 听力保护用
    China National Standards
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    GB/T 3175.2-1987 Reflection flesh tone test card
    反射式肤色测试图
    China National Standards
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    GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switchingnetwork
    电话自动交换网铃流和信号音技术指标测试方法
    China National Standards
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    GB 3380-1982 Ringing and tone for telephone automatic switching network
    电话自动交换网铃流和信号音
    China National Standards
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    GB 21340-2019 The norm of energy consumption per unit products for glass products and cast stone
    玻璃和铸石单位产品能源消耗限额
    China National Standards
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