HG/T 4247-2011
Active3-Nitro-4-chlorobenzenesulfonic acid
3-硝基-4-氯苯磺酸
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 要求 → 4 采样 → 5 试验方法 → 6 检验规则 → 7 标志、标签、包装、运输、贮存 Foreword → 1 Scope → 2 Normative References → 3 Requirements → 4 Sampling → 5 Test Methods → 6 Inspection Rules → 7 Marking, Labeling, Packaging, Transport, and Storage
Scope
This standard specifies the requirements, sampling, test methods, inspection rules, and marking, labeling, packaging, transport, and storage of 3-nitro-4-chlorobenzenesulfonic acid products. This standard is applicable to the quality control of 3-nitro-4-chlorobenzenesulfonic acid products.
本标准规定了3-硝基-4-氯苯磺酸产品的要求、采样、试验方法、检验规则以及标志、标签、包装、运输和贮存。本标准适用于3-硝基-4-氯苯磺酸的产品质量控制。
Normative References
Keywords
Application Summary AI generated
Chemical manufacturers and quality inspection departments use this standard to ensure that 3-nitro-4-chlorobenzenesulfonic acid products meet specified quality requirements. It defines technical specifications, sampling methods, and inspection rules, helping to standardize product quality and ensure stable raw materials for downstream industries such as dyes. This standard is important for regulating the market, facilitating trade, and promoting technical exchange.
化工行业的生产企业和质量检验部门使用本标准来确保3-硝基-4-氯苯磺酸产品的质量符合要求。该标准规定了产品的技术指标、采样方法和检验规则，有助于统一产品质量、保障下游染料等行业的原料稳定性。它对于规范市场、促进贸易和技术交流具有重要意义。
AI Summary AI generated
This standard specifies technical requirements, sampling methods, test methods, inspection rules, and marking/packaging for 3-nitro-4-chlorobenzenesulfonic acid. The product appears as white to yellow crystals, with a main component content of not less than 60.00%, and impurities 2,4-dinitrochlorobenzene and 4-nitrochlorobenzene limited to 0.50% and 2.00% respectively. Content is determined by HPLC, with allowable differences between parallel results of 0.80% for the main component and 0.05% for impurities. The standard is used by chemical manufacturers and inspection departments for quality control.
本标准规定了3-硝基-4-氯苯磺酸的技术要求、采样方法、试验方法、检验规则及标志包装等。产品外观为白色至黄色结晶，主成分含量不低于60.00%，杂质2,4-二硝基氯苯和4-硝基氯苯分别不超过0.50%和2.00%。采用高效液相色谱法测定含量，要求平行测定结果之差主成分不大于0.80%，杂质不大于0.05%。标准适用于该产品的质量控制，由化工行业生产企业和检验部门使用。
Key Sentences extracted from text
本标准规定了3-硝基-4-氯苯磺酸产品的要求、采样、试验方法、检验规则以及标志、标签、包装、运输和贮存。
3-硝基-4-氯苯磺酸的质量要求应符合表1的规定。
采用高效液相色谱法，在C18柱上，以甲醇和四丁基溴化铵水溶液为流动相，分离3-硝基-4-氯苯磺酸及各有机杂质组分，经紫外检测器检测，用峰面积外标法测定3-硝基-4-氯苯磺酸及其有机杂质2,4-二硝基氯苯、4-硝基氯苯含量。
3-硝基-4-氯苯磺酸含量平行测定结果之差应不大于0.80%（质量分数），有机杂质含量平行测定结果之差不大于0.05%（质量分数），取其算术平均值作为测定结果。
如果检验结果中有一项指标不符合本标准的规定时，应重新自两倍量的包装中取样进行检验，重新检验的结果即使只有一项指标不符合本标准的要求，则整批产品不合格。
This standard specifies the requirements, sampling, test methods, inspection rules, and marking, labeling, packaging, transport, and storage of 3-nitro-4-chlorobenzenesulfonic acid products.
The quality requirements of 3-nitro-4-chlorobenzenesulfonic acid shall comply with the provisions of Table 1.
Using high performance liquid chromatography, on a C18 column, with methanol and tetrabutylammonium bromide aqueous solution as mobile phase, separate 3-nitro-4-chlorobenzenesulfonic acid and various organic impurity components, detect with UV detector, and determine the content of 3-nitro-4-chlorobenzenesulfonic acid and its organic impurities 2,4-dinitrochlorobenzene and 4-nitrochlorobenzene by external standard method with peak area.
The difference between parallel determination results of 3-nitro-4-chlorobenzenesulfonic acid content shall not be greater than 0.80% (mass fraction), and the difference between parallel determination results of organic impurity content shall not be greater than 0.05% (mass fraction), and the arithmetic mean shall be taken as the determination result.
If any item in the inspection results does not meet the requirements of this standard, sampling shall be repeated from twice the amount of packaging for inspection; if even only one item in the re-inspection results does not meet the requirements of this standard, the entire batch of products is unqualified.