G13 氧化物、单质 标准查询与下载

SAE AMS3755/1A-1992 增稠率为120的煅制二氧化硅粉末

This specification covers one type of silicon dioxide in the form of a white, anhydrous powder with high thickening efficiency.

Powder, Fumed Silicon Dioxide Thickening Efficiency 120

ASTM D1067-92(1996) 水的酸度或强碱性的标准测试方法

1.1 These test methods cover the determination of acidity or alkalinity of all types of water. Three test methods are given as follows: SectionsTest Method A (Electrometric Titration) 7 to 15Test Method B (Electrometric or Color-Change Titration) 16 to 24Test Method C (Color-Change Titration After HydrogenPeroxide Oxidation and Boiling) 25 to 331.2 In all of these test methods the hydrogen or hydroxyl ions present in water by virtue of the dissociation or hydrolysis of its solutes, or both, are neutralized by titration with standard alkali (acidity) or acid (alkalinity). Of the three procedures, Test Method A is the most precise and accurate. It is used to develop an electrometric titration curve (sometimes referred to as a pH curve), which defines the acidity or alkalinity of the sample and indicates inflection points and buffering capacity, if any. In addition, the acidity or alkalinity can be determined with respect to any pH of particular interest. The other two methods are used to determine acidity or alkalinity relative to a predesignated end point based on the change in color of an internal indicator or the equivalent end point measured by a pH meter. They are suitable for routine control purposes.1.3 When titrating to a specific end point, the choice of end point will require a careful analysis of the titration curve, the effects of any anticipated changes in composition on the titration curve, knowledge of the intended uses or disposition of the water, and a knowledge of the characteristics of the process controls involved. While inflection points (rapid changes in pH) are usually preferred for accurate analysis of sample composition and obtaining the best precision, the use of an inflection point for process control may result in significant errors in chemical treatment or process control in some applications. When titrating to a selected end point dictated by practical considerations, (1) only a part of the actual neutralizing capacity of the water may be measured, or (2) this capacity may actually be exceeded in arriving at optimum acidity or alkalinity conditions.1.4 A scope section is provided in each test method as a guide. It is the responsibility of the analyst to determine the acceptability of these test methods for each matrix.1.5 Former Test Methods C (Color-Comparison Titration) and D (Color-Change Titration After Boiling) were discontinued. Refer to for historical information.1.6 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 Methods for Acidity or Alkalinity of Water

JIS K 1474:1991 活性碳试验方法

Test methods for activated carbon

ARMY MIL-W-215 D (2)-1991 白磷(WP)

This amendment forms a part of MIL-W-215D,dated I May 1989, and is approved for use by all Departments and Agencies of the Department of Defense.

WHITE PHOSPHORUS (WP)

JIS K 1106:1990 液态二氧化碳

この規格は，高圧ガス容器に充てんした工業用の液化二酸化炭素について規定する。

Liquid carbon dioxide

BS 4431:1989 液化无水氨的取样和试验方法

Describes methods for sampling, determination of oil, water, and carbon dioxide and determination of residue on evaporation. To be read in conjunction with BS 2511:1970

Methods of sampling and test for liquefied anhydrous ammonia

ARMY MIL-W-215 D-1989 白磷(WP)

This specification covers one grade of white phosphorus(WP)

WHITE PHOSPHORUS (WP)

NF T20-552:1989 工业用过氧化氢.氯化物和硫酸盐含量的测定.比浊法

Hydrogen peroxide for industrial use. Determination of chlorides and sulfates. Turbidimetric method.

NF T20-553:1989 工业用过氧化氢.表观酸度的测定.滴定法

Hydrogen peroxide for industrial use. Determination of apparent acidity. Titrimetric method.

NF T20-555:1989 工业用过氧化氢.温度为 96℃ 经 16 小时后分解率的测定

Hydrogen peroxide for industrial use. Determination of amount of decomposition rate after 16 H at 96 degrees C.

NF T20-551:1989 工业用过氧化氢.过氧化氢含量的测定.滴定法

Hydrogen peroxide for industrial use. Determination of hydrogen peroxide content. Titrimetric method.

NF T20-554:1989 工业过氧化氢.表观 pH 值 (pha) 的测定.电位测定法

Hydrogen peroxide for industrial use. Determination of apparent pH (pha). Potentiometric method.

QB/T 3535-1999 碘

本标准规定了碘的技术要求、试验方法、检验规则及包装贮运等。 本标准适用于并卤综合利用工艺生产碘，其主要用于医药、试剂、有机染料、加碘食盐中添加剂碘化物的原料等。

iodine

BS 4651-5:1988 氨溶液.第5部分:铁含量测定方法

Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass and with iron contents within the range 0.2 mg/kg and 10.0 mg/kg. To be read in conjunction with BS 6337-3

Ammonia solution - Method for determination of iron content

BS 4651-4:1988 氨溶液.第4部分:加热至 850℃后残余物测定方法

Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass, and with a residue after heating of not less than 3 mg/kg.

Ammonia solution - Method for determination of residue after heating at 850 °C

BS 4651-1:1988 氨溶液.第1部分:20℃时密度测定方法

Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass.

Ammonia solution - Method for determination of density at 20 °C

BS 4651-7:1988 氨溶液.第7部分:二氧化碳含量测定方法

Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass, and carbon dioxide contents of not less than 10 mg/kg. To be read in conjunction with BS 4651-0

Ammonia solution - Method for determination of carbon dioxide content

BS 4651-6:1988 氨溶液.第6部分:氯化物含量测定方法

Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass. Two methods are described. The colorimetric method applies to products with chloride contents of not more than 150 mg/kg and the potentiometric method applies otherwise. To be read in conjunction with BS 4651-0, BS 6337-4

Ammonia solution - Methods for determination of chloride content

ASTM D4195-88(2003) 反渗透设备用水质分析导则

1.1 This guide covers the analyses that should be performed on any given water sample if reverse osmosis application is being considered.1.2 This guide is applicable to waters including brackish waters and seawaters but is not necessarily applicable to waste waters.1.3 This is a guide only and should not be construed as a delineation of all ions known to exist in waters.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 Guide for Water Analysis for Reverse Osmosis Application

BS 4651-0:1987 氨溶液.第0部分:取样方法

Provides guide to sampling from bulk containers, drums, carboys and bottles and summarises revision of BS 4651. Applies to ammonia solutions of concentrations within the range 25% to 35%, by mass.

Ammonia solution - Methods for sampling