ASTM-E50 2005

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E50-00(2005) Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

Published By	Publication Date	Number of Pages
ASTM	2005	29

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Categories: 77.040.30 - Chemical analysis of metals, ASTM

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Description

1.1 These practices cover laboratory apparatus and reagents that are required for the chemical analysis of metals, ores and related materials by standard methods of ASTM. Detailed descriptions of recommended apparatus and detailed instructions for the preparation of standard solutions and certain nonstandardized reagents are included. An identifying number has been assigned each apparatus (see Section 8) and reagent (see Section 25) for convenience of reference in the analytical methods. Included also are general recommendations on the purity of reagents and protective measures for the use of hazardous reagents.

1.2 The aim of these recommendations is to present descriptions of such apparatus and reagents as are common to several ASTM methods, and thus avoid needless repetition. No attempt has been made to provide a description of every apparatus and reagent prescribed in ASTM methods for the chemical analysis of metals. Other apparatus and reagents that are required will be found listed or specified in the individual methods of analysis.

1.3 These recommendations are intended to apply to the ASTM methods of chemical analysis of metals when definite reference is made to these practices, as covered in Section .

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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 whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazards are given in Section 7 and Note 2.

Note 1The use of the verb ‘shall’ (with its obligatory third person meaning) in this standard has been confined to those aspects of laboratory safety where regulatory requirements are known to exist. Such regulations, however, are beyond the scope of these practices.

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1	Scope Referenced Documents
2	Significance and Use Purity of Water and Reagents Reagents Laboratory Ware ( , ) TABLE 1
3	Hazards ( TABLE 2
7	General Apparatus No. 1—Apparatus for Determination of Total Carbon by Direct-Combustion
8	Apparatus No. 2—Filtering Crucible ( ) Apparatus No. 3—Apparatus for pH Measurements and Potentiometric Titrations FIG. 1
9	Apparatus No. 4—Apparatus for Determination of Sulfur by Evolution Apparatus No. 6—Apparatus for Determination of Arsenic by Distillation
10	Apparatus No. 7—Apparatus for Reduction of Tin Apparatus No. 8—Jones Reductor Apparatus No. 9—Electrodes for Electroanalysis FIG. 2 FIG. 3 FIG. 4
11	Apparatus No. 10—Mercury Cathode Cell FIG. 5 FIG. 6
12	Apparatus No. 13—Apparatus for Determination of Sulfur by Direct Combustion FIG. 7 FIG. 8
13	Apparatus No. 14—Apparatus for Determination of Nitrogen by Distillation Apparatus No. 16—Vacuum Fusion Apparatus FIG. 9
14	FIG. 10
15	FIG. 11 FIG. 12
16	Reagent No. 1—Arsenious Acid, Standard Solution (0.1 N) Reagent No. 2—Bismuth, Standard Solution (1 mL = 0.10 mg Bi) ( ) Reagent No. 3—Sulfatoceric Acid (Ceric Sulfate), Standard Solution (0.1 N) ( ) FIG. 13
17	Reagent No. 4—Iron, Standard Solution (1 mL = 0.10 mg Fe) ( ) Reagent No. 5—Ferrous Ammonium Sulfate, Standard Solution (0.1 N) ( ) Reagent No. 6—Silicon, Standard Solution (1 mL = 0.05 mg Si) ( ) Reagent No. 7—Iodine, Standard Solution (0.1 N) ( ) Reagent No. 8A—Molybdenum, Standard Solution (1 mL = 0.20 mg Mo) ( ) FIG. 14 FIG. 15
18	Reagent No. 8B—Molybdenum, Standard Solution (1 mL = 0.20 mg Mo) ( ) Reagent No. 9—Potassium Bromate, Standard Solution (0.1 N) ( ) Reagent No. 10—Potassium Dichromate, Standard Solution (0.1 N) ( ) Reagent No. 11—Potassium Ferrocyanide, Standard Solution (1 mL i 0.01 g Zn) ( ) Reagent No. 12—Potassium Iodate, Standard Solution (0.1 N) ( ) Reagent No. 13—Potassium Permanganate, Standard Solution (0.1 N) ( )
19	Reagent No. 14—Silver Nitrate, Standard Solution (1 mL i 1.0 mg Ni) ( ) Reagent No. 15—Sodium Arsenite, Standard Solution (1 mL i 0.50 mg Mn) Reagent No. 16—Sodium Hydroxide, Standard Solution (0.1 N) ( ) Reagent No. 17—Sodium Thiosulfate, Standard Solution (0.1 N) Reagent No. 18—Titanium, Standard Solution (1 mL = 0.50 mg Ti)
20	Reagent No. 19—Tin, Standard Solution (1 mL = 1.0 mgSn) ( ) Reagent No. 20—Zinc, Standard Solution (1 mL = 4.0 mg Zn) ( ) Reagent No. 21—Copper, Standard Solution (1 mL = 1.0 mg Cu) ( ) Reagent No. 22—Disodium (Ethylenedinitrilo) Tetraacetate Dihydrate (EDTA Disodium Salt), Standard Solution (0.01 M ) ( ) Reagent No. 23—Nitrogen, Standard Solution (1 mL = 0.10 mg N) ( ) Reagent No. 24—Manganese, Standard Solution (1 mL = 0.10 mg Mn) ( ) Reagent No. 25A—Cobalt, Standard Solution (1 mL = 0.06 mg Co) ( )
21	(Reagent No. 25B—Cobalt, Standard Solution (1 mL = 1.5 mg Co) ( ) Reagent No. 26—Tungsten, Standard Solution (1 mL = 0.10 mg W) ( ) Reagent No. 27—Aluminum, Standard Solution (1 mL = 1.0 mg Al) ( ) Reagent No. 101—Ammonium Molybdate Solution (Ammoniacal) Reagent No. 102—Ammonium Molybdate Solution (Acidic) Reagent No. 103—Nitric Acid (3 + 97) for Manganese Determination Reagent No. 104—Dimethylglyoxime Solution in Alcohol (10 g/L) Reagent No. 105—Dimethylglyoxime Solution in Alcohol (40 g/L)
22	Reagent No. 106—Ammonium Persulfate (Ammonium Peroxydisulfate) Solution (250 g/L) Reagent No. 107—Antimony Trichloride Solution (10 g/L) Reagent No. 108—Formic Acid Mixture Reagent No. 109—Formic Acid Mixture-H S Wash Solution Reagent No. 110—Starch Solution (10 g/L) Reagent No. 111—Zinc Oxide Suspension (166 g/L) Reagent No. 112—1-Nitroso-2-Naphthol (-Nitroso–Naphthol) Solution (70 g/L) Reagent No. 113—Cinchonine Solution (125 g/L) Reagent No. 114—Cinchonine Wash Solution Reagent No. 115—Cupferron Solution (60 g/L) Reagent No. 116—Tartaric Acid Solution (250 g/L) Reagent No. 117—Phenolphthalein Indicator Solution (10 g/L) Reagent No. 118—Methyl Orange Indicator Solution (1 g/L) Reagent No. 119—Methyl Red Indicator Solution (0.4 g/L) Reagent No. 120—Bromcresol Purple Indicator Solution (0.4 g/L) Reagent No. 121—Sodium Diphenylamine Sulfonate Indicator Solution (2 g/L) Reagent No. 122—1,10-Phenanthroline ( o -Phenanthroline) Ferrous Complex Indicator Solution (0.025 M ) Reagent No. 123—-Benzoin Oxime Solution in Alcohol (20 g/L) Reagent No. 124—-Benzoin Oxime Solution in Acetone (50 g/L) Reagent No. 125—Potassium m -Periodate Solution (7.5 g/L) Reagent No. 126—Sodium Nitrite Solution (20 g/L)
23	Reagent No. 127—Sodium Acetate Solution (500 g/L) Reagent No. 128—1-Nitroso-2-Naphthol-3,6-Disulfonic Acid Disodium Salt (Nitroso-R Salt) Solution (7.5 g/L) Reagent No. 129—Citric Acid Solution (100 g/L) Reagent No. 130—8-Quinolinol (8-Hydroxyquinoline) Solution (25 g/L) Reagent No. 131—Hydroxylamine Hydrochloride Solution (100 g/L) Reagent No. 132—2,9-Dimethyl-1,10-Phenanthroline (Neocuproine) Solution (1 g/L) Reagent No. 133—Silver Nitrate Solution (8 g/L) Reagent No. 134—Potassium Permanganate Solution (20 g/L) Reagent No. 135—Barium Chloride Solution (100 g/L) Reagent No. 136—Boric Acid Solution (50 g/L) Reagent No. 137—Sodium Thiocyanate Solution (100 g/L) Reagent No. 138—Stannous Chloride Solution (50 g/L) Reagent No. 139—Ammonium Phosphate Solution (100 g/L) Reagent No. 140—Ammonium Thiocyanate Solution (100 g/L) Reagent No. 141—Hydrogen Sulfide Wash Solution Reagent No. 142—Potassium Iodide Solution (100 g/L) Reagent No. 143—Potassium Cyanide Solution (50 g/L) Reagent No. 144—Eriochrome Black-T Indicator Solution (8 g/L) Reagent No. 145—1,10-Phenanthroline ( o -Phenanthroline) Solution (2 g/L) Reagent No. 146—Sodium Hydroxide Solution (100 g/L) Reagent No. 147—Mercuric Chloride Solution (Saturated)
24	Reagent No. 148—Ferric Nitrate Solution (200 g/L) Reagent No. 149—Ammonium Acetate Solution (200 g/L) Reagent No. 150—Nessler Reagent TABLE 3
25	Reagent No. 151—Ferrous Sulfate Solution (0.025 M ) Keywords TABLE
29	REFERENCES

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Standard Title	E50-00(2005) Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
Published Code	ASTM
Publication Date	2005
Pages Count	29
ICS Codes	77.040.30 - Chemical analysis of metals

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