astm designation c 136 and 117

... conform to the requirements of Test Method C 157 5.7 Length Comparator—The length comparator shall conform to the requirements of Specification C 490 12 Calculation 12.1 Calculate the length change ... Specification C 511 6.3 Drying Room and Controls—The drying room and controls shall conform to the requirements of Test Method C 157 Graded Standard Sand 7.1 The graded standard sand shall conform to Specification ... Practice C 305 10.3 Molding of Specimens—Mold the specimens as required by Test Method C 157 11 Curing, Storage, and Taking Comparator Readings of Test Specimens 11.1 Cure, store, and take comparator...

Ngày tải lên: 10/07/2014, 23:20

... this standard or for additional standards and should be addressed to ASTM Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which ... C 706 The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard Users ... that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below This standard is copyrighted by ASTM, 100 Barr...

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Ngày tải lên: 10/07/2014, 23:20

... purpose compounds to provide a smooth and level surface for the application of decoration fire-resistance classification, n—a standard rating of fireresistance and protective characteristics of a ... wallboard specially manufactured to provide speci c fire-resistant characteristics (C 36) hemihydrate, n—the dry powder, calcium sulfate hemihydrate, resulting from calcination of CaSO4·2H2O, calcium ... preformed section of wire or expanded sheet steel, for the reinforcement of exterior stucco external corners (arrises) cure (portland cement plaster or stucco), v—(1) to provide conditions conducive...

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... concentrations are intended: Acetic acid (HC2H3O2) Hydrochloric acid (HCl) Hydrofluoric acid (HF) Nitric acid (HNO3) Perchloric acid (HClO4) Phosphoric acid (H3PO4) Sulfuric acid (H2SO4) Ammonium hydroxide ... Method—Determine the percent of free water, LOI, CO2, SO3, CaO, and MgO in accordance with the preceding sections Calculate combined H2O, calcium carbonate, calcium sulfate, and unhydrated magnesium ... power to an inductor coil, which interacts with the sample and accelerators in a ceramic crucible The power can be controlled by the voltage to the coil and the accelerators used in combusting the...

Ngày tải lên: 10/07/2014, 23:20

... various chemical and physical forms of quicklime, hydrated lime, and hydraulic lime It may be high-calcium, magnesian, or dolomitic DISCUSSION—The chemical forms of calcium oxide (CaO), calcium ... example, Ca(OH)2 formed by acetylene generation from calcium carbide (CaC2), water treatment sludges, etc DISCUSSION—The chemical forms of calcium oxide (CaO), calcium hydroxide (Ca(OH)2), magnesium ... lime and water to a desired consistency limestone—an initially sedimentary rock consisting chiefly of calcium carbonate or of the carbonates of calcium and magnesium Limestone may be of high calcium,...

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... Procedures C 110 C 25 C 110 C 400 C 25 C 25 C 1271E C 1301E A The Precision, associated with speci c analytical procedures in relation to the sample weight, can be greatly effected by the particle size ... manufacturer and the purchaser 12.2 All packages shall be in good condition at the time of inspection 11 Retesting 11.1 Speci c circumstances between the manufacturer and the purchaser may dictate ... These cuttings collect on the surface in a circular mound surrounding the hole Collect a crosscut representative sample of the drill cuttings, taking care not to contaminate with surface material...

Ngày tải lên: 10/07/2014, 23:20

... C- 11 has highlighted those changes that affect the technical interpretation or use of this standard (1) This standard was converted from an inch-pound standard to a combined inch-pound/SI standard ... this standard or for additional standards and should be addressed to ASTM Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which ... 11.1 casting plaster; gypsum; gypsum plaster; molding plaster SUMMARY OF CHANGES This section identifies the location of changes to this standard that have been incorporated since the last issue Committee...

Ngày tải lên: 10/07/2014, 23:20

... inspection, rejection, certification, packaging, marking, shipping, handling, and storage of gypsum sheathing shall be in accordance with Specification C 1264 /C 1264M 8.2 Treated core gypsum sheathing ... cracks and imperfections that would render it unfit for its intended use Sampling, Inspection, Rejection, Certification, Packaging, Marking, Shipping, Handling, and Storage 8.1 Sampling, inspection, ... assembly SUMMARY OF CHANGES Committee C- 11 has identified the location of selected changes to this standard since the last issue (C 79 /C 79M) that may impact the use of this standard (1) Paragraph 5.1.7was...

Ngày tải lên: 10/07/2014, 23:20

... Eastman Kodak19 Chemical No 6091, white reflectance standard only 15.5 Calibration and Standardization: 15.5.1 Zero Scale Calibration (bottom of scale standardization): 15.5.1.1 Place the black ... 13—Selection of balance with regard to accuracy is dependent on the sample size chosen and residue retained and must be consistent with the accuracy required Therefore, a balance weighing accurately ... quicklime to be expected in industrial slaking systems Slaking characteristics have an effect on lime slurry properties such as settling characteristics, viscosity, particle size, and reaction...

Ngày tải lên: 10/07/2014, 23:20

... 114, C 115, C 151, C 185, C 191, C 204, C 451, C 265, C 266, C 563 C 109 (3-day results) C 109 and C1 86 (7-day results) C 227, C4 52, and C1 012 (14-day results) C 109 and C1 86 (28-day results) C ... blended hydraulic cement (Specification C 595), and expansive hydraulic cement (Specification C 845) 4.3 Most building codes and construction specifications require that hydraulic cement to be used ... non-conformance of cements with requirements of purchase specifications 4.2 This practice is referenced as the procedure for sampling masonry cement (Specification C 91), portland cement (Specification C 150),...

Ngày tải lên: 10/07/2014, 23:20

... this standard or for additional standards and should be addressed to ASTM Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which ... hydraulic cement; sieve C 184 ANNEX (Mandatory Information) A1 METHOD FOR DETERMINATION OF SIEVE CORRECTION can be read off the plot and the difference between the actual obtained residue and the ... C 184 take care that it is not continued too long Then replace the cover and clean, following the same process as described in 5.1 If the cement is in proper condition, there...

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... Bleeding Capacity—Calculate the bleeding capacity as follows: Tests on Mortars 8.1 Batch—The mortar mix shall consist of 930 g of cement and 2325 g of graded sand as specified in Specification C 778 ... 5.1 Many chlorinated hydrocarbons are considered to be toxic substances which can be absorbed through the skin, but the major exposure is from inhalation of vapors Chronic poisoning can occur from ... this standard or for additional standards and should be addressed to ASTM Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which...

Ngày tải lên: 10/07/2014, 23:20

... between the paddle and the bowl specified in this practice are suitable when using mortar made with standard sand as described in Specification C 778 To permit the mixer to operate freely and to avoid ... Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend If you feel that your comments have not received a fair hearing ... C 305 Plate and Bushings—Brass Screws and Nuts—Steel All Dimensions in mm FIG Clearance Adjustment Bracket FIG Paddle shall not vary from 23 C (73.4°F) by more than 61.7 C (3°F) 5.2...

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... excess sodium hydroxide with 1.0 N hydrochloric acid solution Calculate acid value as follows: “Reagent Chemicals, American Chemical Society Specifications,” Am Chemical Soc., Washington, DC For ... Neutralization Coeffıcient: 7.4.3.1 Interpolate the quantity of lime required to achieve a pH of 4.4 in 30 from the lime requirement curve (Section 11), correct for the actual acid concentration, and calculate ... listed by the American Chemical Society, see “Reagent Chemicals and Standards,” by Joseph Rosin, D Van Nostrand Co., Inc., New York, NY, and the “United States Pharmacopeia.” Acid value @~V1N12V2N2!/V#...

Ngày tải lên: 10/07/2014, 23:20

... barium chloride (BaCl2·2H2O) in water and dilute to L 6.1.6 Calcium Chloride (CaCl2)—Anhydrous Calcium Chloride with a combined water of not more than % 6.1.7 Hydrochloric Acid (sp gr 1.19)—Concentrated ... Reagent Chemicals, American Chemical Society Specifications, American Chemical Society, Washington, DC For suggestions on the testing of reagents not listed by the American Chemical Society, see ... is determined and calculated as percent CO2 9.2 Significance and Use—The carbon dioxide analysis is useful in estimating carbonates and organic carbon for chemical balance 9.3 Special Reagents:...

Ngày tải lên: 10/07/2014, 23:20

... Tolerances 6.1 Specimens shall be taken from the samples obtained in accordance with Specification C 1264 /C 1264M 6.2 Thickness, width, length, and end squareness shall be determined in accordance ... applicable Sampling, Inspection, Rejection, Certification, Packaging, Marking, Shipping, Handling, and Storage 8.1 Sampling, inspection, rejection, certification, packaging, marking, shipping, handling, ... handling, and storage shall be in accordance with Specification C 1264 /C 1264M Humidified Deflection, in [mm] not applicable 15⁄8 [48] 10⁄8 [32] 5⁄8 [16] C 442 /C 442M Keywords 9.1 backing board; coreboard;...

Ngày tải lên: 10/07/2014, 23:20

... the compressive strength of gypsum plaster and gypsum concrete and is used to determine compliance with applicable specifications The correlation between this test method and service performance ... 13.1 Significance and Use—This test method is used to determine the density of cast gypsum concrete and is used to determine compliance with the specification for gypsum concrete The correlation ... 1⁄4-in intervals centered on the block to facilitate accurate centering of the test specimen The bearing block surfaces intended for contact with the specimen shall have a Rockwell hardness number...

Ngày tải lên: 10/07/2014, 23:20

... for container recycling purposes, the label shall bear the words “DO NOT REMOVE THIS LABEL.” Packaging and Package Marking 9.1 Joint compound and joint tape shall be marked on each item or package ... the container 9.2.4 The cautionary label shall be in a noticeable layout and shall contain a signal word panel, a pictorial and a message as specified in 9.2.4.1-9.2.4.3 and shall be printed in colors ... that contrast with the background of the label 9.2.4.1 The signal word panel shall contain the word“ 10 Keywords 10.1 all-purpose compound; bond; check cracking; dimensional stability; edge cracking;...

Ngày tải lên: 10/07/2014, 23:20

... this standard or for additional standards and should be addressed to ASTM Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which ... that range and in any other instance where difficulty in maintaining temperatures within the specified range is encountered Each tank located in a space not controlled at 23.0 2.0 C shall be equipped ... with calcium hydroxide, excess calcium hydroxide shall be present For the purposes of lime saturation to prevent leaching, lime means calcium hydroxide only (hydrated lime, such as Type CH, meeting...

Ngày tải lên: 10/07/2014, 23:20