China iron GB Standards English PDF List

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China "iron" GB Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
GB/T 223.54-1987	Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrophotometric method for the determination of nickel content 钢铁及合金化学分析方法火焰原子吸收分光光度法测定镍量	China National Standards iron	English PDF
GB/T 223.53-1987	Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content 钢铁及合金化学分析方法火焰原子吸收分光光度法测定铜量	China National Standards iron	English PDF
GB/T 223.52-1987	Methods for chemical analysis of iron，steel and alloy--The hydroxylamine hydrochloride-iodometric method for the determination of selenium content 钢铁及合金化学分析方法盐酸羟胺-碘量法测定硒量	China National Standards iron	English PDF
GB/T 223.51-1987	Methods for chemical analysis of iron，steel and alloy--The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content 钢铁及合金化学分析方法 5-Br-PADAP 光度法测定锌量	China National Standards iron	English PDF
GB/T 6730.8-1986	Methods for chemical analysis of iron ores--The potassium dichromate volumetric method for the determination of iron (Ⅱ)content 铁矿石化学分析方法重铬酸钾容量法测定亚铁量	China National Standards iron	English PDF
GB/T 6730.7-1986	Methods for chemical analysis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content 铁矿石化学分析方法磺基水杨酸光度法测定金属铁量	China National Standards iron	English PDF
GB/T 6730.6-1986	Methods for chemical analysis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content 铁矿石化学分析方法三氯化铁-乙酸钠容量法测定金属铁量	China National Standards iron	English PDF
GB/T 6730.51-1986	Methods for chemical analysis of iron ores--The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate 铁矿石化学分析方法烧碱石棉吸收重量法测定碳酸盐中碳量	China National Standards iron	English PDF
GB/T 6730.50-1986	Methods for chemical analysisof iron ores--The gas volumetric method for the determination of total carbon content 铁矿石化学分析方法气体容量法测定总碳量	China National Standards iron	English PDF
GB/T 6730.49-1986	Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content 铁矿石化学分析方法原子吸收分光光度法测定钠和钾量	China National Standards iron	English PDF
GB/T 6730.48-1986	Methods for chemical analysis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content 铁矿石化学分析方法二硫代二安替吡啉甲烷光度法测定铋量	China National Standards iron	English PDF
GB/T 6730.36-1986	Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content 铁矿石化学分析方法原子吸收分光光度法测定铜量	China National Standards iron	English PDF
GB/T 6730.3-1986	Methods for chemical analysis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples 铁矿石化学分析方法重量法测定分析试样中吸湿水量	China National Standards iron	English PDF
GB/T 6730.14-1986	Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content 铁矿石化学分析方法原子吸收分光光度法测定钙和镁量	China National Standards iron	English PDF
GB/T 6730.1-1986	Methods for chemical analysis of iron ores--Preparation of predried test samples for chemical analysis 铁矿石化学分析方法分析用预干燥试样的制备	China National Standards iron	English PDF
GB/T 2424.22-1986	Basic environmental testing procedures for electric and electronic products--Guidance for combined temperature (cold and heat) vibration (sinusoidal) tests 电工电子产品基本环境试验规程温度(低温、高温)和振动 (正弦) 综合试验导则	China National Standards iron	English PDF
GB/T 223.48-1985	Methods for chemical analysis of iron，steel and alloy--The semixylenol orange photometric method for the determination of bismuth content 钢铁及合金化学分析方法半二甲酚橙光度法测定铋量	China National Standards iron	English PDF
GB/T 223.42-1985	Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent 钢铁及合金化学分析方法离子交换分离-溴邻苯三酚红光度法测定钽量	China National Standards iron	English PDF
GB/T 223.41-1985	Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content 钢铁及合金化学分析方法离子交换分离-连苯三酚光度法测定钽量	China National Standards iron	English PDF
GB/T 223.38-1985	Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-gravimetric method for the determination of niobium content 钢铁及合金化学分析方法离子交换分离-重量法测定铌量	China National Standards iron	English PDF
GB/T 7157-2019	Electric soldering irons and heating guns 电烙铁和热风枪	China National Standards iron	English PDF

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