| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YS/T 519.2-2009 |
Methods for chemical analysis of arsenic Part 2:Determination of antimony content-Malachite green spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 19199-2015 |
Test methods for carbon acceptor concentration in semi-insulating gallium arsenide single crystals by infrared absorption spectroscopy |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 2142-1980 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 14849.1-1993 |
Silicon metal－Determination of iron content－1,10-Phenanthroline spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 226.5-1994 |
Determination of mercury content in selenium |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 2144-1980 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 17170-2015 |
Test method for the EL2 deep donor concentration in semi-insulating gallium arsenide single crystals by infrared absorption spectroscopy |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YS/T 226.2-2009 |
Methods for chemical analysis of selenium—Part 2:Determination of antimony content—Hydride generation-atomic fluorescence spectrometry |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 14849.4-2008 |
Methods for chemical analysis of silicon metal - Part 4:Determination of elements content Inductively coupled plasma atomic emission spectrometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 4373.2-1984 |
Methods for chemical analysis of arsenic;The malachite green photometric method for the determination of antimony content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 4700.7-1998 |
Methods for chemical analysis of calcium-silicon -The infrared absorption method and the combustion-potassium iodate titration method for the determination of sulfur content |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 32281-2015 |
Test method for measuring oxygen,carbon,boron and phosphorus in solar silicon wafers and feedstock—Secondary ion mass spectrometry |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YB/T 5315-2006 |
Methods for chemical analysis of calcium-silicon -- The phosphomolybdenum blue photometric method for the determination of phosphorus content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 2119-1980 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 4699.1-1984 |
Methods for chemical analysis of silicochromium;The gravimetric method for the determination of silicon content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 227.3-1994 |
Determination of lead content in tellurium--Dithizone-carbon tetrachloride extraction photometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 14849.3-1993 |
Silicon metal--Determination of calciumcontent |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 2141-1980 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YB/T 5312-2006 |
Methods for chemical analysis of calcium-silicon |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 226.11-1994 |
Determination of magnesium copper iron and nickel content in selenium--Atomic absorption spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
|
|
