E DIN 53160‐2:2010‐01 ‐‐‐ DRAFT ‐‐
Content Page Preface ................................................. .................................................. (3)
1 Scope ................................................ .................................................. . (4)
2 Normative References ............................................... . (4)
3 Terminology ................................................ .. (4)
4 devices and test equipment .............................................. (5)
5 reagents ................................................ .................................................. . (5)
6 Implementation ................................................ . (6)
7 Evaluation ................................................ .................................................. . (6)
8 Test report ................................................ .................................................. (6)红茶菌的功效
9 Precision ................................................ .................................................. . (6)
References ................................................. .................................................. . 7
Preface
This draft standard was in the NPF / NAB‐Community Working Group NA 078‐00‐14‐01 GAK 'saliva and perspiration, "the NPF / NAB community working committee NA 078‐00‐14 GA developed" analytical methods for colorants.
To avoid misunderstandings, it is noted that the test is not according to this draft standard is the same as in DIN EN ISO 105‐E04 "Textiles ‐ Tests for color fastness ‐ Part E04: Colour fastness unit to perspiration (ISO 105‐E04: 1994); German version EN ISO 105‐E04: 1996 "drive specified test methods.
Changes
Compared with DIN V 53160‐2:2002‐10 following changes:
a) Scope modified;
b) Subpart re‐recorded;
c) included in the ction equipment and test equipment saran wrap;
d) Content revid editorially and adapted to the current design rules.
1 Scope
This draft standard specifies a method to examine the colour fastness of commodities compared sweat simulant. The procedure is designed especially for tho commodities, which are intended or which is predictable that they are in u with the skin. Through the examination will determine whether the utility can pass from coloring on the skin.
This standard does not apply to goods which are intended for contact with food, as well as parts of consumer goods, which make their function colorants, or commodities, for which this is the ca in its entirety.
香菜籽NOTE Examples are mines of crayons and colored pencils.
The test method is applicable to all commodities, regardless of the method ud for coloring (such as dyeing, staining, coating). A possible mechanical wear, such as free‐framing of a colored layer after mechanical abrasion of a top coat will not be considered.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only taken with respect issue. For undated references, the latest edition of the reference publication (including amendments).
DIN 12 491, Laboratory glassware ‐ Vacuum Desiccators
DIN 12880, Electrical laboratory equipment ‐ ovens and incubators
DIN 55943, colorants ‐ Definitions
DIN EN ISO 4618, Paints and varnishes ‐ Vocabulary
三薪工资计算方式
DIN EN 20105‐A03, Textiles ‐ Tests for color fastness ‐ Part A03: Grey scale for asssing staining蔼
DIN ISO 3696, Water for analytical purpos ‐ Requirements and tests
3 Terms
For the purpos of this document, the following terms.
3.1
Colourfastness
Transition of a colorant from being tested on the filter paper using a simulant
3.2
Colorants
Generic term for all coloring substances
NOTE classification of colorants e DIN 55944th
[DIN 55943:2001‐10, 3.58]火车退票费
3.3
Topcoat
last layer of a coating system
[DIN EN ISO 4618:2007‐03, 2108]
E DIN 53160‐2:2010‐01 ‐‐‐ DRAFT ‐‐
4 Equipment and test equipment
4.1 filter paper for qualitative analysis of variable‐.
4.2 Tape, Clear, lf adhesive plastic tape, approximately 12 mm wide.
4.3 foil, houhold foil.
4.4 Desiccator, 12491st DIN
4.5 oven, according to DIN 12880, suitable for an operating temperature of (37 ± 2) ° C.
5 Reagents
5.1 General
Unless otherwi specified, u only reagents for the sweat simulate with the quality of analytical and only water, the quality of purity of at least 3 to DIN ISO 3696 equivalent.
5.2 Composition of the sweat simulate with pH value of
6.5 ± 0.1
机遇Table 1 ‐ sweat simulate
Reagents Mass fraction g / l工作日报模板
Sodium chloride,
滑翔机怎么折urea,
lactic acid (> 88%, by weight) 5.0 1.0 1.0
Ammonium hydroxide solution (1%, by weight) Adding up to a pH value of 6.5 ± 0.1
NOTE The composition of the sweat simulate is the same as in DIN EN 1811 reference test method for determination of nickel from products intended to come into direct and prolonged contact with skin Schweißsimulanz t.
5.3 Preparation of Manufacture of sweat simulate
(1.00 ± 0.01) g of urea (5.00 ± 0.01) grams of sodium chloride and (1.00 ± 0.01) g of lactic acid in a 1000 ml beaker transfer. 900 ml of water and stir until all the added reagents are completely dissolved. The pH meter calibrated according to the manufacturer's instructions with buffer solution. Then the pH electrode in the solution, stir lightly and add ammonium hydroxide solution until a stable pH value is achieved from 6.5 ± 0.1. The solution to a 1000 ml volumetric flask transfer and fill with water up to the mark. Before u, the pH of the sweat simulate in the range of 6.5 ± 0.1.
The sweat simulate only on the day of production u.
