| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 1819.7-2004 |
Methods for chemical analysis of tin concentrates—Determination of bismuth content—Flame atomic absorption spectrometric method |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 1819.12-2017 |
Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| HG/T 2251-1991 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| SN 0065.3-1992 |
Method for determination of total rare earth qxides content for export Europium-Rich Yttrium-Rich Sm-Eu-Gd qxides—Gravimetric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 240.12-1994 |
Chemical analysis of bismuth concentrate The atomic absorption spectrophotometric method for determination of lead and copper |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 1823-1979 |
Determination of lead content in tin concentrates |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 1819.14-2017 |
Methods for chemical analysis of tin concentrates—Part 14:Determination of copper content—Flame atomic absorption spectrometry |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 1819.9-2017 |
Methods for chemical analysis of tin concentrates—Part 9:Determination of tungsten trioxide content—The thiocyanate spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 1819.15-2017 |
Methods for chemical analysis of tin concentrates—Part 15:Determination of fluorine content—The ion-selective electrode method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| SN/T 0829-1999 |
Method for the determination of MgO、SiO?２、CaO、Fe?2O?3、Al?2O?3、MnO、TiO?2 contents in magnesite for export—X-ray fluorescence spectrometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YB/T 159.4-1999 |
Methods for chemical analysis of titanium concentrate(rock minerals)—The bismuth phosphomoly-bdate blue spestrophotometric method for the determination of phosphorus content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YB 4029-1991 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YB/T 5057-1993 |
Technical requirements of bauxite |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YB/T 159.3-1999 |
Methods for chemical analysis of titanium concentrate(rock minerals)—The potassium dichromate volumetric method for the determination of ferrous oxide content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YB/T 159.2-1999 |
Methods for chemical analysis of titanium concentrate(rock minerals)—The titanium chloride-potassium dichromate volumetric method for the determination of total iron content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 8152.8-1987 |
Methods for chemical analysis of lead concentrates; The DTPM spectrophotometric method for the determination of bismuth content |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YS/T 236-1994 |
Technical requirements of lepidolite concentrate |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 1831-1979 |
Determination of silicon dioxide content in tin concentrates--Silicon molybdenum blue photometric method |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB 3258.10-1982 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 3884.12-1983 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
|
|
