ASTM E786-81(2011)

Standard Specification for Dishes, Evaporating, Platinum

ABSTRACT
This specification covers platinum evaporating dishes suitable for water analysis and laboratory use. Platinum evaporating dishes shall be of the following types and capacities: Type I; Type II; and Type III.
SCOPE
1.1 This specification covers platinum evaporating dishes suitable for water analysis and laboratory use.

General Information

• Status: Historical
• Publication Date: 30-Nov-2011
• ICS: 71.040.20 - Laboratory ware and related apparatus
• Technical Committee: E41 - Laboratory Apparatus
• Drafting Committee: E41.01 - Laboratory Ware and Supplies

Relations

• Replaces: ASTM E786-81(2006) - Standard Specification for Dishes, Evaporating, Platinum
• Effective Date: 01-Dec-2011
• Replaced By: ASTM E786-81(2017) - Standard Specification for Dishes, Evaporating, Platinum
• Effective Date: 01-Jan-2017

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:E786 −81(Reapproved 2011)
Standard Specification for
Dishes, Evaporating, Platinum
This standard is issued under the fixed designation E786; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3.1.2 Type II—Regular form with pourout spout. Capacity:
50 mL.
1.1 This specification covers platinum evaporating dishes
3.1.3 Type III—125 mL.
suitable for water analysis and laboratory use.
4. Materials
2. Referenced Documents
4.1 Unless otherwise specified, the platinum dishes shall be
2.1 Federal Standards:
made of 99.9 % platinum alloyed with not more than 0.4 %
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
iridium.
2.2 Military Standards:
5. Dimensions, Mass, and Permissible Variations
MIL-STD-105 Sampling Procedures and Tables for Inspec-
tion by Attributes
5.1 Platinumevaporatingdishesshallbeeitheroftwotypes:
MIL-STD-129 Marking for Shipment and Storage
Type I, shallow dish without pourout spout, having slightly
MIL-STD-1188 Commercial Packaging of Supplies and
tapered sides and a flat bottom having a minimum thickness of
Equipment
0.16 mm; or Type II, rounded bottom with a pourout spout
conforming to the dimensions in Table 1.
3. Classification
6. Workmanship
3.1 Types and Capacities—Platinum evaporating dishes
shall be of the following types and capacities as specified (see
6.1 Platinum evaporating dishes shall be free of defects
S2.1). (scratches, dents, punctures) and contamination (grease, oil,
3.1.1 Type I—Shallow form without pour-out spout. Capac-
foreign matter) that detract from their appearance or that will
ity: 100 mL. impair their serviceability.
7. Marking
This specification is under the jurisdiction of ASTM Committee E41 on
7.1 Platinum evaporating dishes shall be permanently and
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
legibly marked with the name or registered trademark of the
Apparatus.
Current edition approved Dec. 1, 2011. Published December 2011. Originally manufacturer.
approved in 1981. Last previous edition approved in 2006 as E786 – 81 (2006).
DOI: 10.1520/E0786-81R11. 8. Keywords
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
8.1 dishes; evaporating; platinum
Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
www.dodssp.daps.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
E786−81(2011)
TABLE 1 Dimensions of Platinum Evaporating Dishes
Capac- Top Inside Height,
Type Weight, g
ity, mL Diameter, mm mm
I 100 76±6 27.5±7.5 35±5
II 50 54.5 ± 2 27 ± 2 19.5 ± 5
III 125 78±2 35.5±2 42±10
SUPPLEMENTARY REQUIREMENTS
The following supplementary requirements are binding when this specification is used by the
Department of Defense and the Federal Government for the procurement of platinum evaporating
dishes.
TABLE S4.1 Classification of Defects of Platinum Dishes
S1. Sampling
Categories Defects
S1.1 Sampling for nondestructive examination shall be
Critical: none defined.
conducted in accordance with MIL-STD-105.
Major: AQL 4.0 % defective.
101 dimensions incorrect.
S2. Ordering Information
102 damaged (scratches, dents or punctures).
103 contamination (oil, grease, or foreign matter).
S2.1 Procurement documents should specify the following:
104 marking illegible, incorrect, or missing.
S2.1.1 Title, number, and date of this ASTM specification.
S2.1.2 Level of packaging and packing required,
S2.1.3 Type and capacity (when applicable) of evaporating TABLE S4.2 Classification of Defects of Level A and
Commercial Packaging
dish required, and
S2.1.4 Material if other than as specified. Categories Defects
S2.2 Supplier’s Responsibility—The supplier is responsible Critical: none defined.
Major: AQL 2.5 % defective.
for the performance of all inspection requirements as specified
101 unit container not as specified.
herein. Except as otherwise specified, the supplier may use his
102 cushioning not as specified.
103 shipping cont
...