Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
GB/T 6730.18-2006 |
Iron ores - Determination of phosphorus content - Molybdenum blue spectrophotometric method |
$180.00 |
via email in 1~3 business day |
valid,,2007-2-1 |
|
GB/T 6730.19-2016 |
Iron ores―Determination of phosphorus content―Bismuth phosphomolybdate blue spectrophotometric method |
$60.00 |
via email in 1~3 business day |
valid,,2017-9-1 |
|
GB/T 6730.2-2018 |
Iron ores—Determination of moisture content—Gravimetric method |
$80.00 |
via email in 1~3 business day |
valid,,2019-2-1 |
|
GB/T 6730.20-2016 |
Iron ores-Determination of phosphorus content--Titrimetric method |
$160.00 |
via email in 1~3 business day |
valid,,2017-9-1 |
|
GB/T 6730.21-2016 |
Iron ores―Determination of manganse content―Potassium periodate spectrophotometric method |
$160.00 |
via email in 1~3 business day |
valid,,2017-9-1 |
|
GB/T 6730.22-2016 |
Iron ores―Determination of titanium content―Diantipyrylmethane spectrophotometric method |
$160.00 |
via email in 1~3 business day |
valid,,2017-11-1 |
|
GB/T 6730.23-1986 |
Methods for chemical analysis of iron ores; The ferric ammonium sulfate volumetric method for the determination of titanium content |
$260.00 |
via email in 1~3 business day |
superseded,2007-2-1,1987-8-1 |
|
GB/T 6730.23-2006 |
Iron ores - Determination of titanium content - The ferric ammonium sulfate titrimetric method |
$180.00 |
via email in 1~3 business day |
to be superseded,2026-1-1,2007-2-1 |
|
GB/T 6730.24-1986 |
Methods for chemical analysis of iron ores; The arsenazo 3 photometric method for the determination of rare earth elements content |
$60.00 |
via email in 1~3 business day |
superseded,2007-2-1,1987-8-1 |
|
GB/T 6730.24-2006 |
Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method |
$174.00 |
via email in 1~3 business day |
to be superseded,2025-11-1,2007-2-1 |
|
GB/T 6730.25-1986 |
Methods for chemical analysis of iron ores--The gravimetric method for the determination of rare earth elements content |
$190.00 |
via email in 1~3 business day |
abolished2007-02-01 ,2007-2-1,1987-8-1 |
|
GB/T 6730.25-2006 |
Iron ores - Determination of total rare earth contents - Oxalate gravimetric method |
$140.00 |
via email in 1~3 business day |
superseded,2022-7-1,2007-2-1 |
|
GB/T 6730.25-2021 |
Iron ores—Determination of total rare earth contents—Oxalate gravimetric method |
$225.00 |
via email in 1~3 business day |
valid,,2022-7-1 |
|
GB/T 6730.26-2017 |
Iron ores--Determination of fluorine content--Thorium nitrate titrimetric method |
$160.00 |
immediately |
valid,,2018-6-1 |
|
GB/T 6730.27-2017 |
Iron ores-Determination of fluorine content一Lanthanum-alizarin complexion spectrophotometric method |
$150.00 |
via email in 1~3 business day |
valid,,2018-4-1 |
|
GB/T 6730.28-1986 |
Methods for chemical analysis of iron ores; The ion-selective electrode method for the determination of fluorine content |
$344.00 |
via email in 1~3 business day |
superseded,2007-1-1,1987-8-1 |
|
GB/T 6730.28-2006 |
Iron ores―Determinaton of fluorine content―Ion-selective electrode method |
$150.00 |
via email in 1~3 business day |
superseded,2022-7-1,2007-1-1 |
|
GB/T 6730.28-2021 |
Iron ores—Determination of fluorine content—Ion-selective electrode method |
$225.00 |
via email in 1~3 business day |
valid,,2022-7-1 |
|
GB/T 6730.29-2016 |
Iron ores―Determination of barium content―Barium sulfate grarimetric method |
$160.00 |
via email in 1~3 business day |
valid,,2017-9-1 |
|
GB/T 6730.3-2017 |
Iron ores - Determination of hygroscopic moisture in analytical samples - Gravimetric, Karl Fischer and mass-loss methods |
$310.00 |
via email in 1~3 business day |
valid,,2018-7-1 |
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