Measurement Standards

1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide. 1.2 The assay is determined as percent by mass. 1.3 The values stated in SI units are to be regarded as standard. No other units of...

1.1 This test method covers the quantitative extraction of all types of leather with hexane. This test method does not apply to wet blue. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not...

1.1 This specification covers certain requirements for packaged sterile rubber surgical gloves used in conducting surgical procedures. 1.2 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 following safety...

1.1 These test methods are intended for use in determining the total, neutral, and combined acid sulfate in mineral-tanned leather. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not...

1.1 This test method covers the total solids and ash content of finishing materials. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if...

1.1 These test methods cover the determination of the purity of present commercially available rubber chemical accelerators in the range from 80?% to 100?% by high performance liquid chromatography (HPLC) using ultraviolet detection and external standard calculations. 1.2 Expertise in HPLC is...

1.1 This test method covers the purity of Type I, II, and III p-phenylenediamine (PPD) antidegradants as described in Classification D4676 by high performance liquid chromatography (HPLC) using ultraviolet detection and external standard calculations. 1.2 Expertise in HPLC is necessary to the...

1.1 This test method covers quantitatively determining the water extractable nitrogen in leather. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety...

1.1 This test method is intended for use on finished leather to evaluate resistance to cracking, delamination, and discoloration of the finish when subjected to repeated flexing. This test method does not apply to wet blue. 1.2 The values stated in SI units are to be regarded as standard. No other...

1.1 This specification covers certain requirements for nitrile rubber gloves used in conducting medical examinations and diagnostic and therapeutic procedures. 1.2 This specification covers nitrile rubber examination gloves that fit either hand, paired gloves, and gloves by size. It also provides...

1.1 This test method covers the microscopical determination of the reflectance measured in immersion oil of polished surfaces of vitrinite dispersed in sedimentary rocks. This test method can also be used to determine the reflectance of macerals other than vitrinite dispersed in sedimentary rocks....

1.1 This test method covers the enumeration of bacteria that can tolerate high salt concentrations or can hydrolyze protein/collagen, or both. This test method is applicable to raceway brine, brine-cured hides and skins, and pre-charge raceway liquor. 1.2 The values stated in SI units are to be...

1.1 This test method covers the enumeration of bacteria that can hydrolyze protein/collagen in fresh (uncured) hides and skins. This test method is applicable to uncured hides and skins. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are...

1.1 This test method is used to determine the electrical conductivity of silica and the electrical conductivity is suitable for characterizing rubber-grade silicas. 1.2 Units-The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this...

5.1 Sulfuric acid is used in the manufacture of fertilizer, explosives, dyestuffs, other acids, parchment paper, glue, lead acid batteries, textiles, etc., and in the pickling of metals. 5.2 This test method has been found to be satisfactory in the measurement of sulfuric acid for comparison...

1.1 This practice covers the sampling of air for a variety of common pesticides and polychlorinated biphenyls (PCBs) and provides guidance on the selection of appropriate analytical measurement methods. Other compounds such as polychlorinated dibenzodioxins/furans, polybrominated biphenyls,...

1.1 This test method is used to identify and to measure the emissions of volatile organic compounds (VOCs) emitted from samples of cured spray polyurethane foam (SPF) insulation using micro-scale environmental test chambers combined with specific air sampling and analytical methods for VOCs. 1.2...

1.1 This performance specification covers hydraulic cements for both general and special applications. There are no restrictions on the composition of the cement or its constituents (see Note 1). Note 1: There are two related hydraulic cement standards, Specification C150/C150M for portland cement...

4.1 This practice is commonly used by vehicle service personnel to determine the freezing point, in degrees Celsius or Fahrenheit, of aqueous solutions of commercial ethylene and propylene glycol-based coolant. A durable hand-held refractometer is available that reads the freezing point, directly,...

4.1 This practice specifies an in-vivo measurement of CWA decontamination on the skin. 4.2 CWA skin decontaminants will have different modes of action including absorption, adsorption, removal, chemical neutralization or some combination of the above. There is, therefore, no single...