ASTM-C25 2011

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C25-11 Standard Test Methods for Chemical Analysis of Limestone, Quicklime, and Hydrated Lime

Published By	Publication Date	Number of Pages
ASTM	2011	37

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Categories: 91.100.10 - Cement. Gypsum. Lime. Mortar, ASTM

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Description

ASTM C25-11

Historical Standard: Standard Test Methods for Chemical Analysis of Limestone, Quicklime, and Hydrated Lime

ASTM C25

Scope

1.1 These test methods cover the chemical analysis of high-calcium and dolomitic limestone, quicklime, and hydrated lime. These test methods are classified as either standard (preferred) or alternative (optional).

1.2 The standard test methods are those that employ classical gravimetric or volumetric analytical procedures and are typically those required for referee analyses where chemical specification requirements are an essential part of contractual agreement between buyer and seller.

1.3 Alternative or optional test methods are provided for those who wish to use procedures shorter or more convenient than the standard methods for the routine determinations of certain constituents. Optional test methods may sometimes be preferred to the standard test methods, but frequently the use of modern and expensive instrumentation is indicated which may not be accessible to everyone. Therefore, the use of these test methods must be left to the discretion of each laboratory.

1.4 The analytical procedures appear in the following order:

1.5 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. For specific precautionary statements, see 9.3, 10.2.1, 18.4.3, 31.6.4.2, X2.3.1, and X5.4.1.1.

Keywords

alternative method; aluminum; available lime index; calcium; carbon; carbon dioxide; chemical analysis; free moisture, lime; free moisture, limestone; free silica; hydrated lime; instrumental analysis; iron; limestone; loss on ignition, (LOI); magnesium; manganese; methods, classical; methods, historical; oxides; oxides, unhydrated; phosphorus; quicklime; reference method; silicon dioxide; Standard Reference Material (SRM); strontium; sulfur; Aluminum oxide (Al2O3) content; Available lime index; Calcium oxide (CaO) content; Carbon dioxide content; Ferrous iron content; Hydrated lime; Insoluble matter content; Iron content; Iron oxide content; Limestone; Loss on ignition (LOI); Magnesium oxide (MgO) content; Manganese content; Moisture analysis; Phosphorus content; Quicklime; Silica content; Sulfur; Sulfur trioxide (SO3); Unhydrated oxides; Silicon dioxide (SiO2) content; Strontium oxide content

ICS Code

ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

DOI: 10.1520/C0025-11

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Significance and Use General Apparatus and Materials and Reagents
3	General Procedures Performance Requirements for Test Methods
4	TABLE 1 TABLE 2
5	Insoluble Matter Including Silicon Dioxide (Standard Method)
6	Insoluble Matter Including Silicon Dioxide (Optional Perchloric Acid Method)
7	Silicon Dioxide Insoluble Matter TABLE 3
8	Combined Oxides (Iron, Aluminum, Phosphorus, Titanium, Manganese)
9	Total Iron, Standard Method Total Iron by Ortho-Phenanthroline Photometric Method
10	Aluminum Oxide
11	Calcium Oxide by Gravimetric Method Calcium Oxide by Volumetric Method
12	Magnesium Oxide
13	Loss on Ignition TABLE 4
14	Free Moisture in Limestone Free Moisture in Hydrated Lime FIG. 1
15	Carbon Dioxide by Standard Method FIG. 2
16	Sulfur Trioxide
17	Total Sulfur by Sodium Carbonate Fusion Total Sulfur by the Combustion-Iodate Titration Method
19	Phosphorus by Molybdovanadate Method
20	Manganese by the Periodate (Photometric) Method
21	Available Lime Index
22	Free Silica TABLE 5
23	Unhydrated Oxides Calculated on As-Received Basis TABLE 6
24	Calcium and Magnesium Oxide (Alternative EDTA Titration Method)
25	Total Carbon by the Direct Combustion-Thermal Conductivity Cell Method TABLE 7 TABLE 8
27	Calcium Carbonate Equivalent TABLE 9
28	pH of Alkaline Earth Solutions
29	Total Carbon and Sulfur by the Combustion/Infrared Detection Method
31	Keywords X1. TOTAL IRON BY THE POTASSIUM PERMANGANATE TITRATION METHOD X1.1 X1.2 X1.3
32	X1.4 X1.5 X1.6 X2. STRONTIUM OXIDE BY THE GRAVIMETRIC SULFATE (ETHER) METHOD X2.1 X2.2 X2.3 X2.4
33	X2.5 X3. PHOSPHORUS BY THE TITRIMETRIC METHOD X3.1 X3.2 X3.3 X3.4
34	X3.5 X3.6 X4. MANGANESE BY THE BISMUTHATE METHOD X4.1 X4.2 X4.3 X4.4 X4.5
35	X4.6 X4.7 X5. FERROUS IRON BY TITRATION WITH POTASSIUM PERMANGANATE X5.1 X5.2 X5.3 X5.4
36	X5.5 X5.6 X6. TEST METHOD FOR FREE CALCIUM OXIDE IN HIGH-CALCIUM HYDRATED LIME X6.1 Scope X6.2 Summary of Test Method X6.3 Apparatus X6.4 Procedure X6.5 Calculation
37	FIG. X6.1

Additional information

Sodium Carbonate Fusion	24
Loss on Ignition	19
Strontium Oxide	Appendix X2
Standard Method, Potassium Dichromate Titration	13
Titrimetric Method	Appendix X3
Total Sulfur:
Free Moisture in Hydrated Lime	21
Total Carbon:
PH Determination of Alkaline Earth Solutions	34
Available Lime Index	28
Calcium Carbonate Equivalent	33
Optional Perchloric Acid Method	9
Calcium Oxide:
Direct Combustion-Thermal Conductivity Cell Method	32
Free Calcium Oxide	Appendix X6
Insoluble Matter Including Silicon Dioxide:
Total Carbon and Sulfur:
Periodate (Photometric) Method	27
Total Iron:
Combined Oxides of Iron and Aluminum	12
Sulfur Trioxide	23
Molybdovanadate Method	26
Gravimetric Method	16
Silicon Dioxide	10
Free Moisture in Limestone	20
Ferrous Iron	Appendix X5
Phosphorus:
Volumetric Method	17
Insoluble Matter Other Than Silicon Dioxide	11
Magnesium Oxide	18
Carbon Dioxide by Standard Method	22
Aluminum Oxide	15
Alternative EDTA Titration Method	31
Potassium Permanganate Titration Method	Appendix X1
Standard Method	8
Ortho-Phenanthroline, Photometric Method	14
Combustion-Iodate Titration Method	25
Calcium and Magnesium Oxide:
Bismuthate Method	Appendix X4
Manganese:
Combustion/Infrared Detection Method	35
Free Silica	29
Unhydrated Oxides	30
ICS Codes	91.100.10 - Cement. Gypsum. Lime. Mortar
	Section