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ASTM E848-94(2012)
Standard Guide for Safety and Health Requirements Relating to Occupational Exposure to Water-Insoluble Chromates
STANDARD published on 1.6.2012
The information about the standard:
Designation standards: ASTM E848-94(2012)
Note: WITHDRAWN
Publication date standards: 1.6.2012
SKU: NS-48252
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM E848-94(2012) :
Keywords:
chromium, chromium based pigments, chromium compounds, exposure, health, hexavalent chromium, insoluble chromium, safety, ICS Number Code 13.100 (Occupational safety. Industrial hygiene)
Additional information
| Significance and Use | ||
|
4.1 This guide includes chromates that are not readily soluble in water and that have water solubilities (Chromate ION) within the range of the more soluble calcium chromate and the much less soluble lead chromate. The major occupations involving potential exposure to insoluble chromates are in roasting of chromite ore, the manufacture of chromate pigments, the manufacture of coatings containing chromate pigments, and spray painting with these coatings. There is insufficient evidence to conclude that trivalent chromium compounds are carcinogenic. |
||
| 1. Scope | ||
|
1.1 This guide covers control procedures for the safe production, storage, transportation, and handling of only the hexavalent chromium compounds found in Chemical Name |
Formula |
Color Index NameA |
|
Barium chromate |
BaCrO4 |
Pigment Yellow 31 |
|
Barium potassium chromate |
BaK3(CrO4)2 |
Pigment Yellow 31 |
|
Basic copper chromate |
CuCrO4 |
Not listed |
|
Basic cadmium chromate |
Cd2(OH)2CrO4 |
Pigment Yellow 44 |
|
Basic lead chromate |
PbCrO4PbO |
Pigment Orange 21 |
|
Bismuth basic dichromate |
Bi2O3CrO3 |
Pigment Red 103 |
|
Calcium chromate |
CaCrO4 |
None assigned |
|
“Chromic chromate” |
xCaO yCr2O 3 Pigment Yellow 33 |
|
|
Ferric chromate |
Fe2(CrO4)3 |
Pigment Yellow 45 |
|
Basic ferric chromate |
Fe(OH)CrO4 |
Pigment Yellow 45 |
|
Lead chromate |
PbCrO4 |
Pigment Yellow 34 |
|
Lead molybdochromate |
PbCrO4PbMoO4 |
Pigment Red 104 |
|
Potassium zinc chromate |
K2O 4ano·4Cr4O3 |
Pigment Yellow 36 |
|
Strontium chromate |
SrCrO4 |
Pigment Yellow 32 |
|
Zinc chromate |
ZnCrO4 |
Pigment Yellow 36 |
1.2 This guide is not intended to
cover ( a) such “soluble”
chromates as chromates of sodium, potassium, magnesium, or
ammonium; (b) soluble
bichromates; (c) chromic acid;
(1.3 The chromate ion,
CrO4−2 , depending upon
the acidity, complexes to form di-, tri-, and higher polychromates;
hence, the chromates listed in Table 1 may contain mixtures of
polychromates, depending on the method of isolation and end
use.
1.4 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. (For more specific precautionary information see Section 5.)
|
Z88.2 |
Practices for Respiratory Protection |
|
Z129.1 |
Precautionary Labeling for Hazardous Industrial Chemicals |
|
29 CFR 1910.20 |
|
|
Hazard Communication |
|
|
29 CFR 1910.134 |
|
|
Z87.1 |
|
|
Lead |
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