71.040.30 (Chemical reagents) 标准查询与下载

ASTM D6851-02(2011) 用活性炭测量接触PH值的标准试验方法

The determination of contact pH can be used as a simple and fast measurement that can allow activated carbon producers and users to have a standard method for assessing the effect various carbons will have on the initial pH of the water in contact with the carbon. It has been determined that there is a bias between this method and Test Method D3838; they are not equivalent.1.1 This method is to be used in the determination of the pH of water on initial contact with activated carbon. This test method is not meant as a replacement for Test Method D3838 and may give a different value. 1.2 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 to determine the applicability of regulatory limitations prior to use.

Standard Test Method for Determination of Contact pH with Activated Carbon

ASTM D6851-02(2007)e1 测定活性炭pH接触值的标准试验方法

The determination of contact pH can be used as a simple and fast measurement that can allow activated carbon producers and users to have a standard method for assessing the effect various carbons will have on the initial pH of the water in contact with the carbon. It has been determined that there is a bias between this method and Test Method D 3838; they are not equivalent.1.1 This method is to be used in the determination of the pH of water on initial contact with activated carbon. This test method is not meant as a replacement for Test Method D 3838 and may give a different value. 1.2 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 to determine the applicability of regulatory limitations prior to use.

Standard Test Method for Determination of Contact pH with Activated Carbon

ASTM D6851-02 活性碳测定接触PH值的标准试验方发

The determination of contact pH can be used as a simple and fast measurement that can allow activated carbon producers and users to have a standard method for assessing the effect various carbons will have on the initial pH of the water in contact with the carbon. It has been determined that there is a bias between this method and Test Method D 3838; they are not equivalent.1.1 This method is to be used in the determination of the pH of water on initial contact with activated carbon. This test method is not meant as a replacement for Test Method D 3838 and may give a different value.1.2 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 to determine the applicability of regulatory limitations prior to use.

Standard Test Method for Determination of Contact pH with Activated Carbon

ASTM D6851-02(2007) 用活性炭测定接触pH的标准测试方法

1.1 This method is to be used in the determination of the pH of water on initial contact with activated carbon. This test method is not meant as a replacement for Test Method D 3838 and may give a different value.1.2 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 to determine the applicability of regulatory limitations prior to use.

Standard Test Method for Determination of Contact pH with Activated Carbon

ASTM D6761-02 测定催化剂和催化剂载体总孔容量的标准试验方法

1.1 This test method covers the determination of the total pore volume of catalysts and catalyst carriers, that is, the volume of pores having pore diameter between approximately 14 m and 0.4 to 0.6 nm (4 to 6 197;).1.2 This test method involves hazardous materials, operations and equipment. 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 to determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 8, 9.1.7, and 9.1.11.

Standard Test Method for Determination of the Total Pore Volume of Catalysts and Catalyst Carriers

ASTM D4179-01 成型单粒催化剂压碎强度的标准试验方法

1.1 This test method covers determining the resistance of formed catalysts to compressive force and is applicable to regular catalyst shapes such as tablets and spheres. Extrudates, granular materials, and other irregular shapes are specifically excluded. 1.2 This test method determines the average crush strength in the range from 0 to 50 lbf (0 to 220 N). 1.3 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses for information only. 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.

Standard Test Method for Single Pellet Crush Strength of Formed Catalyst Shapes

ASTM E2036-01 高效液相色谱法测定液体氯中三氯化氮的标准试验方法

1.1 This test method uses high performance liquid chromatography (HPLC) to determine nitrogen trichloride levels in liquid chlorine at the 0.1 to 600 181g/g (ppm) range. Solvent samples from chlorine production facilities containing very high concentrations of nitrogen trichloride may be analyzed by dilution with methanol. 1.2 Review the current material safety data sheet (MSDS) for detailed information concerning toxicity, first aid procedures, and safety precautions. 1.3 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 to determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 8.

Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)

ASTM D4179-01(2006) 成型单粒催化剂压碎强度的标准试验方法

This test method is intended to provide information concerning the ability of a catalyst shape to retain physical integrity during use. 1.1 This test method covers determining the resistance of formed catalysts to compressive force and is applicable to regular catalyst shapes such as tablets and spheres. Extrudates, granular materials, and other irregular shapes are specifically excluded.1.2 This test method determines the average crush strength in the range from 0 to 50 lbf (0 to 220 N).1.3 The values stated in inch-pound unts are to be regarded as standard. The values given in parentheses are mathematical conversions to SI unts that are provided for information only and are not considered standard.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 Single Pellet Crush Strength of Formed Catalyst Shapes

ASTM E2037-01 高效液相色谱法测定液体氯中氯化溴的标准试验方法

1.1 This test method uses high performance liquid chromatography (HPLC) to determine bromine chloride levels in liquid chlorine at the 10 to 1400 181g/g (ppm) range. 1.2 Review the current material safety data sheet (MSDS) for detailed information concerning toxicity, first aid procedures, and safety precautions. 1.3 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 to determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 8.

Standard Test Method for Bromine Chloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)

ASTM D3610-00 电位滴定法测定氧化铝基钴-钼催化剂中总钴含量的标准试验方法

1.1 This test method covers the determination of cobalt (expressed as the oxide) in fresh cobalt-molybdenum catalyst, in the range of 0.5 to 10% cobalt oxide. 1.2 This standard does not purport to address all of the safety problems, 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 Total Cobalt In Alumina-Base Cobalt-Molybdenum Catalyst by Potentiometric Titration Method

ASTM E2106-00 液相色谱-红外分析(LC/IR)和尺寸排阻色谱-红外分析(SEC/IR)通用技术的标准实施规范

1.1 This practice covers techniques that are of general use in qualitatively analyzing multicomponent samples by using a combination of liquid chromatography (LC) or size exclusion chromatography (SEC) with infrared (IR) spectrometric techniques. The sample mixture is separated into fractions by the chromatographic separation. These fractions are subsequently analyzed by an IR spectroscopic method.1.2 Three different types of LC/IR techniques have been used to analyze samples (1,2). These consist of eluent trapping (see Practices E334), flowcell and direct deposition. These are presented in the order that they were first used.1.3 The values stated in SI units are to be regarded as 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 and health practices and determine the applicability of regulatory limitations prior to use.

Standard Practice for General Techniques of Liquid Chromatography-Infrared (LC/IR) and Size Exclusion Chromatography-Infrared (SEC/IR) Analyses

ASTM D3943-00 新制氧化铝基催化剂中总钼量的标准试验方法

1.1 This test method covers the determination of molybdenum in alumina-base catalysts and has been cooperatively tested at molybdenum concentrations from 8 to 18 weight%, expressed as MoO 3 . Any component of the catalyst other than molybdenum such as iron, tungsten, etc., which is capable of being oxidized by either ferric or ceric ions after being passed through a zinc-amalgam reductor column (Jones reductor) will interfere. 1.2 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 Total Molybdenum in Fresh Alumina-Base Catalysts

ASTM D5757-00(2006) 用气流测定粉末催化剂的磨损和其特性表征的标准试验方法

This test method is intended to provide information concerning the ability of a powdered catalyst to resist particle size reduction during use in a fluidized environment. This test method is suitable for specification acceptance, manufacturing control, and research and development purposes.1.1 This test method covers the determination of the relative attrition characteristics of powdered catalysts by means of air jet attrition. It is applicable to spherically or irregularly shaped particles which range in size between 10 and 180 m, have skeletal densities between 2.4 and 3.0 g/cm3 (2400 and 3000 kg/m3) (see IEEE/ASTM SI-10) and are insoluble in water. Particles less than 20 m are considered fines.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 Attrition and Abrasion of Powdered Catalysts by Air Jets

ASTM D3610-00(2004) 电位滴定法测定氧化铝基钴-钼催化剂中总钴含量的标准试验方法

This test method sets forth a procedure by which catalyst samples may be compared either on an interlaboratory or intralaboratory basis. It is anticipated that catalyst producers and users will find this test method to be of value.1.1 This test method covers the determination of cobalt (expressed as the oxide) in fresh cobalt-molybdenum catalyst, in the range of 0.5 to 10 % cobalt oxide.1.2 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 Total Cobalt In Alumina-Base Cobalt-Molybdenum Catalyst by Potentiometric Titration Method

ASTM E2106-00(2006) 液相色谱-红外分析(LC/IR)和尺寸排阻色谱-红外分析(SEC/IR)通用技术的标准实施规范

This practice provides general guidelines for the practice of liquid chromatography or size exclusion chromatography coupled with infrared spectrometric detection and analysis (LC/IR, SEC/IR). This practice assumes that the chromatography involved is adequate to resolve a sample into discrete fractions. It is not the intention of this practice to instruct the user on how to perform liquid or size exclusion chromatography (LC or SEC).1.1 This practice covers techniques that are of general use in qualitatively analyzing multicomponent samples by using a combination of liquid chromatography (LC) or size exclusion chromatography (SEC) with infrared (IR) spectrometric techniques. The sample mixture is separated into fractions by the chromatographic separation. These fractions are subsequently analyzed by an IR spectroscopic method.1.2 Three different types of LC/IR techniques have been used to analyze samples (1,)2. These consist of eluent trapping (see Practices E 334), flowcell and direct deposition. These are presented in the order that they were first used.1.3 The values stated in SI units are to be regarded as 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 and health practices and determine the applicability of regulatory limitations prior to use.

Standard Practice for General Techniques of Liquid Chromatography-Infrared (LC/IR) and Size Exclusion Chromatography-Infrared (SEC/IR) Analyses

ASTM D5757-00 用气流测定粉末催化剂的磨损和其特性表征的标准试验方法

1.1 This test method covers the determination of the relative attrition characteristics of powdered catalysts by means of air jet attrition. It is applicable to spherically or irregularly shaped particles which range in size between 10 and 180 um, have skeletal densities between 2.4 and 3.0 g/cm3 (2400 and 3000 kg/m3) and are insoluble in water. Particles less than 20 um are considered fines. 1.2 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 Attrition and Abrasion of Powdered Catalysts by Air Jets

ASTM E2037-99 高效液相色谱法测定液体氯中氯化溴的标准试验方法

1.1 This test method uses high performance liquid chromatography (HPLC) to determine bromine chloride levels in liquid chlorine at the 10 to 1400 181g/g (ppm) range. 1.2 Review the current material safety data sheet (MSDS) for detailed information concerning toxicity, first aid procedures, and safety precautions. 1.3 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 to determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 8.

Standard Test Method for Bromine Chloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)

ASTM E2036-99 高效液相色谱法测定液体氯中三氯化氮的标准试验方法

1.1 This test method uses high performance liquid chromatography (HPLC) to determine nitrogen trichloride levels in liquid chlorine at the 0.1 to 600 181g/g (ppm) range. Solvent samples from chlorine production facilities containing very high concentrations of nitrogen trichloride may be analyzed by dilution with methanol. 1.2 Review the current material safety data sheet (MSDS) for detailed information concerning toxicity, first aid procedures, and safety precautions. 1.3 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 to determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 8.

Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)

ASTM D1193-99e1 试剂水(联邦试验方法No.7916)

1.1 This specification covers requirements for water suitable for use in methods of chemical analysis and physical testing. Four grades are specified: Type IType IIType IIIType IVElectrical conductivity, max, 181S/cm at 298 K (25oC)0.0561.00.255.0Electrical resistivity, min, Mcm at 298 K (25oC)181.0 4.00.2pH at 298 K (25oC)A AA 5.0 to 8.0Total organic carbon (TOC), max, 181g/L5050200no limitSodium, max, 181g/L1510 50Chlorides, max, 181g/L1510 50Total silica, max, 181g/L3 3500no limitMicrobiological contamination-When bacterial levels need to be controlled, reagent grade types should be further classified as follows:Type A Type BType CMaximum heterotrophic bacteria count10/1000 mL10/100 mL100/10 mLEndotoxin, EU/mlB 0.030.25not applicable AThe measurement of pH in Type I, II, and III reagent waters has been eliminated from this specification because these grades of water do not contain constituents in sufficient quantity to significantly alter the pH.B EU = Endotoxin Units.1.2 The method of preparation of the various grades of reagent water determines the limits of impurities and shall be as follows:1.2.1 Type I grade of reagent water shall be prepared by distillation or other equal process, followed by polishing with a mixed bed of ion exchange materials and a 0.2-181m membrane filter. Feedwater to the final polishing step must have a maximum conductivity of 20 181S/cm at 298K (25oC).1.2.2 Type II grade of reagent water shall be prepared by distillation using a still designed to produce a distillate having a conductivity of less than 1.0 181S/cm at 298 K (25oC). Ion exchange, distillation, or reverse osmosis and organic adsorption may be required prior to distillation if the purity cannot be attained by single distillation. Note 18212;Because distillation is a process commonly relied upon to produce high purity water, the levels specified for Type II reagent water were selected to represent the minimum quality of water that a distillation process should produce.1.2.3 Type III grade of reagent water shall be prepared by distillation, ion exchange, continuous electrodeionization reverse osmosis, or a combination thereof, followed by polishing with a 0.45-181m membrane filter.1.2.4 Type IV grade of reagent water may be prepared by distillation, ion exchange, continuous electrodeionization reverse osmosis, electrodialysis, or a combination thereof.1.3 The choice of one of the various grades may be designated by the method or by the investigator.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.

Standard Specification for Reagent Water

ASTM D4699-99 大颗粒催化剂振动存储密度的标准试验方法

1.1 This test method covers the determination of the vibratory packing density of formed catalyst and catalyst carrier particles that will not break up significantly under test conditions. For the purpose of this test, catalyst particles are defined as extrudates, spheres or formed pellets greater than 4.8 mm ( 3/16 in.). 1.2 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 Vibratory Packing Density of Large Formed Catalyst and Catalyst Particles