1.1 这些试验方法包括无机碱性洗涤剂的取样和化学分析程序。 1.2 程序按以下顺序显示: 章节 烧碱: 采样 5. 氧化钠总碱度（Na 2. O） 6– 8. 氢氧化钠 9- 11 碳酸钠形式的碳酸盐（Na 2. CO 3. ) 12 二氧化碳（CO 2. )通过进化方法 13– 16 苏打灰: 采样 17 物质在150时的挥发性 °C至155 °C 18和 19 以碳酸钠计的总碱度（Na 2. CO 3. ) 20– 22 碳酸氢钠（NaHCO 3. ) 23– 25 碳酸氢钠（NaHCO 3. )电位滴定法 26– 28 不溶于水的物质 29和 30 表观密度 31和 32 改性苏打（Sequecarbonate型）: 采样 33 氧化钠总碱度（Na 2. O） 34– 36 碳酸氢钠（NaHCO 3. )和碳酸钠（Na 2. CO 3. ) 37– 39 不溶于水的物质 40 碳酸氢钠: 采样 41 碳酸氢钠、碳酸钠和游离水分 42– 45 不溶于水的物质 46 偏硅酸钠、倍半硅酸钠和正硅酸钠  icat: 采样 47 氧化钠总碱度（Na 2. O） 48– 50 二氧化硅总量（以SiO计） 2. 51– 53 偏硅酸钠（Na 2. 二氧化硅 3. ·5小时 2. O） 54 倍半硅酸钠（3Na 2. O·2SiO 2. ·11小时 2. O） 55 不溶于水的物质 56和 57 倍半硅酸钠（3Na）的烧失 2. O·2SiO 2. ·11小时 2. O） 58和 59 正硅酸钠（Na 4. 二氧化硅 4. ) 60 磷酸三钠: 采样 61 磷酸三钠（Na 3. PO 4. )含量和磷  戊氧化物（P 2. O 5. ) 62– 64 磷酸三钠以Na计 3. PO 4. ·12小时 2. O、 Na 3. PO 4. ·  H 2. O、 Na 3. PO 4. ，作为P 2. O 5. 65– 68 氧化钠总碱度（Na 2. O） 69– 71 不溶于水的物质 72和 73 焦磷酸四钠: 采样 74 焦磷酸四钠 （Na 4. P 2. O 7. ) 75– 79 不溶于水的物质 80和 81 点火损失 82和 83 硼砂: 采样 84 总硼酸盐和过量碱度或酸度 85– 87 不溶于水的物质 88和 89 三磷酸钠: 采样 90 Tritratable Na 2. O 91– 94 合计P 2. O 5. : 首选方法 95– 97 替代方法 98– 101 pH滴定 102– 107 各种磷酸盐的定量分离和测量: 逆流离子交换色谱法（优选   方法） 108– 119 纸色谱法 120– 127 1%溶液的pH 128 浊度 129 温升 130– 134 硫酸盐 135– 137 点火损失 140和 141 不溶于水的物质 142– 144 颗粒大小 145 正磷酸盐 146– 151 1.3 以国际单位制表示的数值应视为标准。本标准中不包括其他计量单位。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 材料安全数据表可用于试剂和材料。在使用前对其进行危险性审查。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 These test methods cover procedures for the sampling and chemical analysis of inorganic alkaline detergents. 1.2 The procedures appear in the following order: Sections Caustic Soda: Sampling 5 Total Alkalinity as Sodium Oxide (Na 2 O) 6 – 8 Sodium Hydroxide (NaOH) 9 – 11 Carbonate as Sodium Carbonate (Na 2 CO 3 ) 12 Carbon Dioxide (CO 2 ) by the Evolution Method 13 – 16 Soda Ash: Sampling 17 Matter Volatile at 150 °C to 155 °C 18 and 19 Total Alkalinity as Sodium Carbonate (Na 2 CO 3 ) 20 – 22 Sodium Bicarbonate (NaHCO 3 ) 23 – 25 Sodium Bicarbonate (NaHCO 3 ) by Potentiometric Titration 26 – 28 Matter Insoluble in Water 29 and 30 Apparent Density 31 and 32 Modified Soda (Sequicarbonate Type): Sampling 33 Total Alkalinity as Sodium Oxide (Na 2 O) 34 – 36 Sodium Bicarbonate (NaHCO 3 ) and Sodium Carbonate (Na 2 CO 3 ) 37 – 39 Matter Insoluble in Water 40 Sodium Bicarbonate: Sampling 41 Sodium Bicarbonate, Sodium Carbonate, and Free Moisture 42 – 45 Matter Insoluble in Water 46 Sodium Metasilicate, Sodium Sesquisilicate and Sodium Orthosil-   icate: Sampling 47 Total Alkalinity as Sodium Oxide (Na 2 O) 48 – 50 Total Silica as SiO 2 51 – 53 Sodium Metasilicate (Na 2 SiO 3 ·5H 2 O) 54 Sodium Sesquisilicate (3Na 2 O·2SiO 2 ·11H 2 O) 55 Matter Insoluble in Water 56 and 57 Loss on Ignition of Sodium Sesquisilicate (3Na 2 O·2SiO 2 ·11H 2 O) 58 and 59 Sodium Orthosilicate (Na 4 SiO 4 ) 60 Trisodium Phosphate: Sampling 61 Trisodium Phosphate (Na 3 PO 4 ) Content and Phosphorus   Pentoxide (P 2 O 5 ) 62 – 64 Trisodium Phosphate Calculated as Na 3 PO 4 ·12H 2 O, Na 3 PO 4 ·   H 2 O, Na 3 PO 4 , and as P 2 O 5 65 – 68 Total Alkalinity as Sodium Oxide (Na 2 O) 69 – 71 Matter Insoluble in Water 72 and 73 Tetrasodium Pyrophosphate: Sampling 74 Tetrasodium Pyrophosphate (Na 4 P 2 O 7 ) 75 – 79 Matter Insoluble in Water 80 and 81 Loss on Ignition 82 and 83 Borax: Sampling 84 Total Borate and Excess Alkalinity or Acidity 85 – 87 Matter Insoluble in Water 88 and 89 Sodium Triphosphate: Sampling 90 Tritratable Na 2 O 91 – 94 Total P 2 O 5 : Preferred Method 95 – 97 Alternative Method 98 – 101 pH Titration 102 – 107 Quantitative Separation and Measurement of Various Phosphates: Reverse-Flow Ion-Exchange Chromatography (Preferred    Method) 108 – 119 Paper Chromatographic Method 120 – 127 pH of 1 percent Solution 128 Turbidity 129 Temperature Rise 130 – 134 Sulfate 135 – 137 Ignition Loss 140 and 141 Matter Insoluble in Water 142 – 144 Particle Size 145 Orthophosphate 146 – 151 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Material Safety Data Sheets are available for reagents and materials. Review them for hazards prior to usage. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.