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Homepage>ASTM Standards>ASTM D0050-90R19 - Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
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Released: 2019-05-13

ASTM D0050-90R19

Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese

CURRENCY
57.78 USD
Language:English
Released:2019-05-13
Pages:5
Standards number:ASTM D0050-90R19
Standard number:D0050-90R19
Released:01.05.2019
Status:Active
Pages:5
Section:06.03
Keywords:brown pigment (iron and manganese); calcium; colored pigment; iron oxide; red pigment; soluble sulfate; yellow pigment;
DESCRIPTION

1.1 These test methods cover procedures for the chemical analysis of yellow, orange, red, and brown pigments containing iron and manganese. The test methods apply specifically to the following pigments: synthetic hydrated yellow iron oxide, yellow ocher, red and brown iron oxides, raw and burnt umber, raw and burnt sienna, and venetian red.

1.2 The analytical procedures appear in the following order:

 

 

ASTM

 

 

Method

 

 

Refer-

Dry Pigments

Sections

ences

Moisture and Other Volatile Matter

6

D280

Loss on Ignition

7

 

Coarse Particles

8

D185

Matter Soluble in Water

9

D1208

Organic Coloring Matter

10

 

Iron Oxide

11 and 12

 

Calcium Compounds (Reported as CaO)

13 and 14

 

Sulfates Soluble in Hydrochloric Acid

15 and 16

 

Lead Chromate (in Ochers)

17

 

Calcium Carbonate (in Venetian Red)

18

C25

Manganese (in Siennas and Umbers)

19 and 20

 

 

Pigment Pastes in Oil

 

 

 

Pigment Content

21

D1208

Moisture and Other Volatile Matter

22

D1208

Nonvolatile Matter in Vehicle

23

 

Moisture by Distillation

24

D1208

Coarse Particles and Skins

25

D185

Consistency (Stormer)

26

D562

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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 the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to us.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.