| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 14146-1993 |
Silicon epitaxial layers－Determination of carrier concentration－Mercury probe valtage-capacitance method |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 2105-1991 |
Metallic material—STANDARD test method for the Youngs modulus, shear modulus and poisons ratio (Dynamic method) |
 (USD) |
via email in
1 business day
|
ABOLISHED
|
|
| GB 5257-1985 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 469-2004 |
Determination of whitenessof alumina and aluminium hydroxide |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB 1425-1978 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 581.14-2006 |
Determination of chemical contents and physical properties of aluminium fluoride Part 14: Determination of untamped density |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 1424-1978 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 4196-1984 |
Method for testing the density of tungsten and molybdenum bars |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 3658-1990 |
Soft magnetic alloys-Measuring method for alternative magnetic properties |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 455.2-2003 |
Test method for aluminium foil Part 2:Test method for porosity |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 1557-1989 |
The method of determining interstitial oxygen content in silicon by infrared absorption |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 8753.1-2017 |
Anodizing of aluminium and its alloys—Assessment of quality of sealed anodic oxidation coatings—Part 1:Measurement of the loss of mass after immersion in acid solution(s) |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YB 929-1978 |
|
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 12968-1991 |
Eddy current decay method for measurement of resistivity and residual resistance ratio of pure metals |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB 3491-1983 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 37213-2018 |
Test method for silicon brick dimension—Laser technology method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 30869-2014 |
Test method for thickness and total thickness variation of silicon wafers for solar cell |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 30655-2014 |
Test methods for internal quantum efficiency of nitride LED epitaxial layers |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 8364-2008 |
Test methods of thermal flexure of thermostat metals |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 4193-1984 |
Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuum tubes |
 (USD) |
via email in
1-3 business day
|
VALID
|
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