Browse Standards
3488+ standards in database
3488 result(s) found
化学试剂 溴化钾
Chemical reagent—Potassium bromide
邻、对硝基氯苯
o-，p-Chloronitrobenzene
化学试剂 甲苯
Chemical reagent—Toluene
热交换器型式与基本参数 第5部分：螺旋板式热交换器
Types and basic parameters of heat exchangers—Part 5：Spiral heat exchangers
热交换器型式与基本参数 第4部分：热虹吸式重沸器
Types and basic parameters of heat exchangers—Part 4: Thermo-siphon reboilers
无机化工产品中铝测定的通用方法 铬天青S分光光度法
General method for the determination of aluminium in inorganic chemical products—Chromazurol S spectrophotometric method
纳米二氧化钛
Nano-titanium dioxide
纳米碳酸钙
Nanoscale calcium carbonate
工业用三乙胺
Triethylamine for industrial use
热交换器型式与基本参数 第3部分：U形管式热交换器
Types and basic parameters of heat exchangers—Part 3: U-tube heat exchangers
表面活性剂 家庭机洗餐具用洗涤剂 性能比较试验导则
Surface active agents—Detergents for domestic machine dishwashing—Guide for comparative testing of performance
工业用丙烯中烃类杂质的测定 气相色谱法
Determination of hydrocarbon impurities of propylene for industrial use—Gas chromatographic method
木材防腐剂
Wood preservatives
微束分析 原子序数不小于11的元素能谱法定量分析
Microbeam analysis—Quantitative analysis using energy-dispersive spectrometry (EDS) for elements with an atomic number of 11 (Na) or above
表面化学分析 辉光放电发射光谱方法通则
Surface chemical analysis—General rules for glow discharge optical emission spectrometry (GD-OES)
高纯氢氧化钠
High-purity sodium hydroxide
有机硅消泡剂
Silicone defoaming agent
分散染料 色光和强度的测定
Disperse dyestuffs—Determination of shade and relative strength
化学试剂 三水合乙酸钠（乙酸钠）
Chemical reagent—Sodium acetate trihydrate
化学试剂 粉状氧化铜
Chemical reagent—Cupric oxide powder