发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
点击量:0
This document specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method A specifies
Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
GB/T 2441的本部分规定了用邻菲啰啉分光光度法测定工业用尿素中铁含量。本部分适用于由氨和二氧化碳合成制得的尿素铁含量的测定
Determination of urea-Part 4:Iron content-1,10-Phenanthroline spectrophotometric method
GB/T 2441的本部分规定了用铜复盐分光光度法测定尿素中缩二脲含量。本部分适用于由氨和二氧化碳合成制得的缩二脲含量的测定
Determination of urea-Part2: Biuret content-Spectrophotomatric method
GB/T 2441的本部分规定了用卡尔.费休法测定尿素中水分。本部分适用由氨和二氧化碳合成制得的尿素水分的测定。仲裁时,采用含吡啶的卡尔.费休试剂
Determination of urea-Part 3:Water content-Karl Fischer method
GB/T 2441的本部分规定了用容量法测定工业用尿素中碱度。本部分适用于由氨和二氧化碳合成制得的尿素碱度含量的测定
Determination of urea-Part 5: Alkalinity-Titrimetric method
GB/T 2441的本部分规定了用重量法测定工业用尿素中水不溶物含量。本部分适用于由氨和二氧化碳合成制得的尿素水不溶物含量的测定
Determination of urea-Part 6:Water insoluble matter content-Weight method
GB/T 2441的本部分规定了用筛分法测定尿素的粒度。本部分适用于由氨和二氧化碳合成值得的尿素粒度的测定
Determination of urea-Part 7: Particle size-Sieve method
GB/T 2441的本部分规定了用目视比浊法测定工业用尿素中硫酸盐的含量。本部分适用于由氨和二氧化碳合成制得的尿素中硫酸盐含量的测定
Determination of urea-Part 8: Sulphate content-Visible turbidimetric method
GB/T 2441的本部分规定了用萘二磺酸二钠盐(变色酸)法测定尿素中亚甲基二脲含量。本部分仅适用于尿素中含少量亚甲基二脲含量的测定
Determination of urea-Part 9:Methylenediurea content-Spectrophotometric method
Fertilizers - Determination of urea condensates using highperformance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylene-urea oligomers (method B).
GB/T 25151的本部分规定了采用脉冲反射法,对尿素高压设备不锈钢带极自动堆焊层进行接触法超声波检测和厚度测量。 本标准适用于堆焊层厚度不小于3mm的不锈钢带极自动堆焊层超声波检测
Fabrication and inspection method for high pressure urea equipment.Part 1:Ultrasonic examination on the automatic strip overlay welds of stainless steel
GB/T 25151的本部分规定了尿素超级低碳铬镍钼奥氏体不锈钢选择性腐蚀深度和显微组织检查的试样选取、制作、检查项目和方法。 本标准适用于尿素超级低碳铬镍钼奥氏体不锈钢晶间腐蚀试验后的选择性腐蚀检查和金相检查
Fabrication and inspection method for high pressure urea equipment.Part 2:Selective corrosion examination and metallography examination for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade
GB/T 25151的本部分规定了尿素超级低碳铬镍钼奥氏体不锈钢在65%沸腾硝酸溶液中的腐蚀质量损失作为检验晶间腐蚀倾向的试验方法。 本部分适用于考察热处理、焊接工艺对耐腐蚀性能的影响及检测焊缝本身的耐腐蚀性能
Fabrication and inspection method for high pressure urea equipment.Part 3:Intergranular corrosion tendency test for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade
GB/T 25151的本部分规定了除尿素合成塔外的尿素高压设备衬里层焊接接头、换热管与管板焊接接头有穿透性缺陷的氨渗漏试验方法。 本部分适用于除尿素合成塔外的尿素高压设备氨渗漏试验
Fabrication and inspection method for high pressure urea equipment.Part 5:Ammonia leakage test method for urea high pressure equipment
This European Standard specifies methods for the determination of isobutylidenediurea (IBDU), crotonylidenediurea (CDU) (method A) and methylene-urea
Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
This document specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method A specifies
Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
GB/T 2441的本部分规定了用邻菲啰啉分光光度法测定工业用尿素中铁含量。本部分适用于由氨和二氧化碳合成制得的尿素铁含量的测定
Determination of urea-Part 4:Iron content-1,10-Phenanthroline spectrophotometric method
GB/T 2441的本部分规定了用铜复盐分光光度法测定尿素中缩二脲含量。本部分适用于由氨和二氧化碳合成制得的缩二脲含量的测定
Determination of urea-Part2: Biuret content-Spectrophotomatric method
GB/T 2441的本部分规定了用卡尔.费休法测定尿素中水分。本部分适用由氨和二氧化碳合成制得的尿素水分的测定。仲裁时,采用含吡啶的卡尔.费休试剂
Determination of urea-Part 3:Water content-Karl Fischer method
GB/T 2441的本部分规定了用容量法测定工业用尿素中碱度。本部分适用于由氨和二氧化碳合成制得的尿素碱度含量的测定
Determination of urea-Part 5: Alkalinity-Titrimetric method
GB/T 2441的本部分规定了用重量法测定工业用尿素中水不溶物含量。本部分适用于由氨和二氧化碳合成制得的尿素水不溶物含量的测定
Determination of urea-Part 6:Water insoluble matter content-Weight method
GB/T 2441的本部分规定了用筛分法测定尿素的粒度。本部分适用于由氨和二氧化碳合成值得的尿素粒度的测定
Determination of urea-Part 7: Particle size-Sieve method
GB/T 2441的本部分规定了用目视比浊法测定工业用尿素中硫酸盐的含量。本部分适用于由氨和二氧化碳合成制得的尿素中硫酸盐含量的测定
Determination of urea-Part 8: Sulphate content-Visible turbidimetric method
GB/T 2441的本部分规定了用萘二磺酸二钠盐(变色酸)法测定尿素中亚甲基二脲含量。本部分仅适用于尿素中含少量亚甲基二脲含量的测定
Determination of urea-Part 9:Methylenediurea content-Spectrophotometric method
Fertilizers - Determination of urea condensates using highperformance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylene-urea oligomers (method B).
GB/T 25151的本部分规定了采用脉冲反射法,对尿素高压设备不锈钢带极自动堆焊层进行接触法超声波检测和厚度测量。 本标准适用于堆焊层厚度不小于3mm的不锈钢带极自动堆焊层超声波检测
Fabrication and inspection method for high pressure urea equipment.Part 1:Ultrasonic examination on the automatic strip overlay welds of stainless steel
GB/T 25151的本部分规定了尿素超级低碳铬镍钼奥氏体不锈钢选择性腐蚀深度和显微组织检查的试样选取、制作、检查项目和方法。 本标准适用于尿素超级低碳铬镍钼奥氏体不锈钢晶间腐蚀试验后的选择性腐蚀检查和金相检查
Fabrication and inspection method for high pressure urea equipment.Part 2:Selective corrosion examination and metallography examination for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade
GB/T 25151的本部分规定了尿素超级低碳铬镍钼奥氏体不锈钢在65%沸腾硝酸溶液中的腐蚀质量损失作为检验晶间腐蚀倾向的试验方法。 本部分适用于考察热处理、焊接工艺对耐腐蚀性能的影响及检测焊缝本身的耐腐蚀性能
Fabrication and inspection method for high pressure urea equipment.Part 3:Intergranular corrosion tendency test for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade
GB/T 25151的本部分规定了除尿素合成塔外的尿素高压设备衬里层焊接接头、换热管与管板焊接接头有穿透性缺陷的氨渗漏试验方法。 本部分适用于除尿素合成塔外的尿素高压设备氨渗漏试验
Fabrication and inspection method for high pressure urea equipment.Part 5:Ammonia leakage test method for urea high pressure equipment
This European Standard specifies methods for the determination of isobutylidenediurea (IBDU), crotonylidenediurea (CDU) (method A) and methylene-urea
Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)