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2-Amino-5-chloro-4-methylbenzenesulfonic acid(CLT acid)
本标准规定了牙膏中4-氨甲基环己甲酸(凝血酸)的测定方法高效液相色谱串联质谱法 本标准适用于牙膏中4-氨甲基环己甲酸(凝血酸)的测定。 本标准方法检出限:0.3 μg/g;定量下限:1.0 μg/g。
Determination of 4-(aminomethyl) cyclohexanecarboxylic acid (tranexamic acid)in toothpaste.HPLC-MS/MS
本标准适用于丙醛为原料或正丁醛和丙二酸为原料制得的食品添加剂2-甲基-2-戊烯酸(草莓酸)。
Food Additive 2 - Methyl - 2 - Amylene Acid (Methyl - 2- Pentenoic Acid)
警告—本标准使用的强酸、强碱具有腐蚀性,使用时应注意。溅到身上时,用大量水冲洗,避免吸入或接触皮肤。 本标准规定了水处理剂多氨基多醚基亚甲基膦酸(PAPEMP)的要求、试验方法、检验规则、包装、标志、运输、贮存和安全要求。 本标准适用于以端氨基聚醚、亚磷酸或三氯化磷、甲醛等为原料合成而得的多氨基多醚基亚甲基膦酸(PAPEMP)产品。本产品主要用于工业水处理作阻垢缓蚀剂和印染行业作过氧化物稳定剂及金属螯合剂。
Water treatment chemicals.Polyamino polyether methylene phosphonate(PAPEMP)
本标准规定了2-氨基-4-甲基-5-氯苯磺酸(CLT酸)的要求、采样、试验方法、检验规则、标志、包装、运输、贮存。 本标准适用于2-氨基-4-甲基-5-氯苯磺酸的产品质量控制。 结构式、分子式略
2-Amino-5-chloro-4-methybenzenesulfouic acid(CLT acid)
本标准规定了水处理剂双1,6-亚己基三胺五亚甲基膦酸(BHMTPMPA)的技术要求、试验方法、检测规则、标志、包装及安全要求。 该产品主要用作工业水处理中的阻垢缓蚀剂,也可用于过氧化物稳定剂、贵重金属萃取剂及电镀行业金属离子均布剂等。 结构式略
Water treatment chemicals.Bis-hexamethylene ariamine penta-methylene phosphonic acid
本文件规定了甲基亚膦酸二乙酯的技术要求、试验方法、检验规则、质量保证期以及标志、包装、储运。
Pesticide intermediate Diethyl methylphosphonite
Milk and milk products — Enumeration of presumptive Escherichia coli — Part2: Most probable number technique using 4- methylumbelliferyl-b-D-glucuronide(MUG)
Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid, and Pinacolyl Methylphosphonic Acid in Soi
Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Hydrogen Dimethylamidophosphate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and
Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and Pinacolyl Methylphosphonic Acid in Soil
Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Hydrogen Dimethylamidophosphate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and
5.1x00a0;Organophosphate pesticides affect the nervous system by disrupting the enzyme that regulates acetylcholine, a neurotransmitter. They were developed during the early 19th century, but their effects on insects, which are similar to their effects on humans, were discovered in 1932. Some are poisonous and were used as chemical weapon agents. Organophosphate pesticides are usually not persistent in the environment.4, 5 5.2x00a0;This test method is for the analysis of selected organophosphorous-based chemical weapon agent degradation products from Sarin (GB), Soman (GD), Tabun (GA) and VX. This method has been investigated for use with reagent and surface water. 1.1x00a0;This procedure covers the determination of diisopropyl methylphosphonate (DIMP), ethyl hydrogen dimethylamidophosphate (EHDMAP), ethyl methylphosphonic acid (EMPA), isopropyl methylphosphonic acid (IMPA), methylphosphonic acid (MPA) and pinacolyl methylphosphonic acid (PMPA) (referred to collectively as organophosphonates in this test method) in surface water by direct injection using liquid chromatography (LC) and detected with tandem mass spectrometry (MS/MS) using electrospray ionization (ESI). These analytes are qualitatively and quantitatively determined by this method. This method adheres to single reaction monitoring (SRM) mass spectrometry. 1.2x00a0;This test method has been developed by US EPA Region 5 Chicago Regional Laboratory (CRL). 1.3x00a0;The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4x00a0;The detection verification level (DVL) and reporting range for the organophosphonates are listed in Table 1. 1.4.1x00a0;The DVL is required to be at a concentration at least three times below the reporting limit (RL) and have a signal/noise ratio greater than 3:1. Fig. 1 displays the signal/noise ratios at the DVLs for the organophosphonates in the ESI positive mode and Fig. 2 in the ESI negative mode.RSD (%) DIMP Pos 5
Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Hydrogen Dimethylamidophosphate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and Pinacolyl Methylphosphonic Acid in Water by Liqu
(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as benzenedicarboxylic acid, polymer with substituted alkanediol, dodecanedioic acid, 1,2-ethanediol, alkanedioic acid, alkanediol,.alp
Protection of Environment. Part721:Significant new uses of chemical substances. Section721.10690:Benzenedicarboxylic acid, polymer with substituted alkanediol, dodecanedioic acid, 1,2-ethanediol, alkanedioic acid, alkanediol,.alpha.-hydro-.omega.-hydroxyp
本标准使用的强酸具有腐蚀性,使用时应避免吸入或接触皮肤。溅到身上应立即用大量水冲洗,严重时应立即就医。 本标准规定了水处理剂乙二胺四亚甲基磷酸五钠(EDTMP·Na)产品的需求、试验方法、检验规则、标志、包装、运输和贮存。 本标准适用于水处理剂乙二胺四亚甲基磷酸五钠。该产品主要用于循环水和锅炉水的缓蚀阻垢剂、氰电镀的络合剂、印染工业软水剂、电厂冷却水处理剂等。
Water treatment chemical.Ethylene diamine tetra (methylene phosphonic)penta sodium salt
Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and Pinacolyl Methylphosphonic Acid in Soil
5.1x00a0;This is a performance based method, and modifications are allowed to improve performance. 5.1.1x00a0;Due to the rapid development of newer instrumentation and column chemistries, changes to the analysis described in this standard are allowed as long as better or equivalent performance data result. Any modifications shall be documented and performance data generated. The user of the data generated by this Standard shall be made aware of these changes and given the performance data demonstrating better or equivalent performance. 5.2x00a0;Organophosphate pesticides affect the nervous system by disrupting the enzyme that regulates acetylcholine, a neurotransmitter. They were developed during the early 19th century, but their effects on insects, which were similar to their effects on humans, were discovered in 1932. Some are poisonous and were used as chemical weapon agents. Organophosphate pesticides are usually not persistent in the environment.7,8 5.3x00a0;This test method is for the analysis of selected organophosphorous based pesticide degradation products. 5.4x00a0;This method has been investigated for use with various soils. 1.1x00a0;This procedure covers the determination of Diisopropyl Methylphosphonate (DIMP), Ethyl Methylphosphonic Acid (EMPA), Isopropyl Methylphosphonic Acid (IMPA), Methylphosphonic Acid (MPA) and Pinacolyl Methylphosphonic Acid (PMPA), referred to collectively as organophosphonates (OPs) in this test method, in soil. This method is based upon solvent extraction of a soil by pressurized fluid extraction (PFE). The extract is filtered and analyzed by liquid chromatography/tandem mass spectrometry (LC/MS/MS). OPs are qualitatively and quantitatively determined by this method. 1.2x00a0;Unitsx2014;The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3x00a0;The Method Detection Limit2 (MDL), electrospray ionization (ESI) mode and Reporting Range3 for the OPs are listed in Table 1. 1.4x00a0;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 and health practices and determine the applicability of regulatory limitations prior to use.
Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and Pinacolyl Methylphosphonic Acid in Soil by Pressurized Fluid Extraction and Analyzed by Li
This is a performance based method, and modifications are allowed to improve performance. Due to the rapid development of newer instrumentation and column chemistries, changes to the analysis described in this standard are allowed as long as better or equivalent performance data result. Any modifications shall be documented and performance data generated. The user of the data generated by this Standard shall be made aware of these changes and given the performance data demonstrating better or equivalent performance. Organophosphate pesticides affect the nervous system by disrupting the enzyme that regulates acetylcholine, a neurotransmitter. They were developed during the early 19th century, but their effects on insects, which were similar to their effects on humans, were discovered in 1932. Some are poisonous and were used as chemical weapon agents. Organophosphate pesticides are usually not persistent in the environment. , This test method is for the analysis of selected organophosphorous based pesticide degradation products. This method has been investigated for use with various soils. 1.1 This procedure covers the determination of Diisopropyl Methylphosphonate (DIMP), Ethyl Methylphosphonic Acid (EMPA), Isopropyl Methylphosphonic Acid (IMPA), Methylphosphonic Acid (MPA) and Pinacolyl Methylphosphonic Acid (PMPA), referred to collectively as organophosphonates (OPs) in this test method, in soil. This method is based upon solvent extraction of a soil by pressurized fluid extraction (PFE). The extract is filtered and analyzed by liquid chromatography/tandem mass spectrometry (LC/MS/MS). OPs are qualitatively and quantitatively determined by this method. 1.2 Units8212;The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 The Method Detection Limit (MDL), electrospray ionization (ESI) mode and Reporting Range for the OPs are listed in Table 1. 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 and health practices and determine the applicability of regulatory limitations prior to use. TABLE 1 Method Detection Limit and Reporting Range AnalyteESI ModeMDL (PPB)Reporting Range (PPB) Diisopropyl methylphosphonatePositive2.740-2000 Ethyl methylphosphonic acidNegative2.340-2000 Ethyl methylphosphonic acidPositive1.340-2000 Isopropyl methylphosphonic acidNegative5.740-2000 Isopropyl methylphosphonic acidPositive2.840-2000 Methylphosphonic acidPos......
Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and Pinacolyl Methylphosphonic Acid in Soil by Pressurized Fluid Extraction and Analyzed by Liquid
本标准规定了水处理剂 氨基三亚甲基膦酸(ATMP)(固体)的要求、试验方法、检验规则以及标志、包装、运输和贮存。 本标准适用于水处理剂 氨基三亚甲基膦酸(ATMP)(固体),该产品主要用作工业水处理中的阻垢剂、缓蚀剂,也用作纺织印染行业的金属螯合剂、金属表面处理剂等。 分子式:N(CHPOH) 结构式:略 相对分子质量:299.0(按2007年国际相对原子质量)
Water treatment chemicals. Amino trimethylene phosphonic acid(solid)
이 표준은 페놀 수지의 헥사메틸렌테트라민(“hexa”) 함량을 측정하기 위한 3가지 방법을
Plastics-Phenolic resins-Determination of hexamethylenetetramine content-Kjeldahl method, perchloric acid method and hydrochloric acid method
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