ASTM D595-85(1997)

Standard Specification for Tetrasodium Pyrophosphate (Anhydrous) (Withdrawn 2001)

SCOPE
1.1 This specification for tetrasodium pyrophosphate (anhydrous) covers material suitable for various washing, cleaning, and scouring processes, with soap or other detergents where a mildly alkaline material, with appreciable water softening properties, is desired.  
1.2 This material may be hazardous if not properly managed.  
1.3 Precautionary information for the safe use, storage, and disposal of this material should be preliminarily obtained from suppliers and others.  
1.4 In case of personal accident with this material, apply appropriate first aid; telephone the nearest Poison Control Center for assistance, and get medical attention immediately.

General Information

• Status: Withdrawn
• Publication Date: 09-Sep-1997
• Withdrawal Date: 09-Aug-2001
• ICS: 71.100.40 - Surface active agents
• Technical Committee: D12 - Soaps and Other Detergents

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 595 – 85 (Reapproved 1997)
Standard Specification for
Tetrasodium Pyrophosphate (Anhydrous)
This standard is issued under the fixed designation D 595; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope chased by net weight. When, however, due to hygroscopicity
the tetrasodium pyrophosphate content is less than 97.5 %, a
1.1 This specification for tetrasodium pyrophosphate (anhy-
corresponding gain in weight of the package shall be expected,
drous) covers material suitable for various washing, cleaning,
and the net weight shall be based on a product containing
and scouring processes, with soap or other detergents where a
97.5 % of tetrasodium pyrophosphate. The net weight of the
mildly alkaline material, with appreciable water softening
material to be paid for shall be calculated as follows:
properties, is desired.
1.2 This material may be hazardous if not properly man- W 5 ~R 3 T!/97.5 (1)
aged.
where:
1.3 Precautionary information for the safe use, storage, and
W 5 weight of the material to be paid for,
disposal of this material should be preliminarily obtained from
R 5 net weight of material as received, and
suppliers and others.
T 5 total tetrasodium pyrophosphate calculated as percent-
1.4 In case of personal accident with this material, apply
age of Na P O .
4 2 7
appropriate first aid; telephone the nearest Poison Control
4.2 In the event that the calculation under 4.1 results in a
Center for assistance, and get medical attention immediately.
figure greater than 100 %, the seller waives the right to invoice
2. Referenced Documents
the purchaser for any amount in excess of 100 %.
2.1 ASTM Standards:
5. Chemical Composition
D 501 Test Methods of Sampling and Chemical Analysis of
5.1 Tetrasodium pyrophosphate (anhydrous), as received,
Alkaline Detergents
shall conform to the requirements as to chemical composition
3. Terminology
prescribed in Table 1.
3.1 Definitions of Terms Specific to This Standard:
6. Sampling and Analysis
3.1.1 Tetrasodium pyrophosphate (anhydrous) shall be a
6.1 The material shall be sampled and analyzed in accor-
white, uniform product in either granular, powdered, or flake
dance with Test Methods D 501.
form, as specified by the purchaser.
7. Rejection
4. Order
...