| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| YB 4041-1991 |
Erbium oxide |
45.0 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| YB 4040-1991 |
Dysprosium oxide |
45.0 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| YB/T 4020-1991 |
|
184.0 |
via email in 1~3 business day |
superseded,2007-7-1,1992-1-1 |
|
| HG/T 2155-1991 |
Potassium persulfate for industrial use |
224.0 |
via email in 1~3 business day |
superseded2007-03-01 ,2007-3-1,1992-1-1 |
|
| GB 2367-1990 |
Sodium nitrite for industrial use |
100.0 |
via email in 1~3 business day |
superseded2006-12-01,2006-12-1,1992-1-1 |
|
| GB/T 12684.10-1990 |
Boric acid for industrial use--Determination of chromium content |
180.0 |
via email in 1~3 business day |
abolished2005-10-14 ,,1991-12-1 |
|
| GB/T 12684.6-1990 |
Boric acid for industrial use--Determination of iron content |
180.0 |
via email in 1~3 business day |
superseded,2007-2-1,1991-12-1 |
|
| GB/T 12684.11-1990 |
Boric acid for industrial use--Determination of cobalt content |
180.0 |
via email in 1~3 business day |
abolished2005-10-14 ,,1991-12-1 |
|
| GB/T 12684.1-1990 |
Boric acid for industrial use--Determination of boric acid content |
180.0 |
via email in 1~3 business day |
superseded,2007-2-1,1991-12-1 |
|
| GB/T 12684.4-1990 |
Boric acid for industrial use--Determination of sulphate content by visual turbidimetry |
180.0 |
via email in 1~3 business day |
superseded,2007-2-1,1991-12-1 |
|
| GB/T 12684.7-1990 |
Boric acid for industrial use--Determination of ammonia content |
180.0 |
via email in 1~3 business day |
superseded,2007-2-1,1991-12-1 |
|
| GB/T 12684.8-1990 |
Boric acid for industrial use--Determination of heavy metal content |
180.0 |
via email in 1~3 business day |
superseded,2007-2-1,1991-12-1 |
|
| GB 4947-1990 |
Red phosphorus for industrial use |
264.0 |
via email in 1~3 business day |
superseded2004-06-01,2004-6-1,1991-12-1 |
|
| GB/T 12684.9-1990 |
Boric acid for industrial use--Determination of manganese content |
180.0 |
via email in 1~3 business day |
abolished2005-10-14 ,,1991-12-1 |
|
| GB/T 12684.2-1990 |
Boric acid for industrial use-Determination of insoluble substance content in water |
184.0 |
via email in 1~3 business day |
superseded2007-02-01,2007-2-1,1991-12-1 |
|
| GB/T 12684.3-1990 |
Boric acid for industrial use--Determination of sulphate content by reduction and titrimetry |
180.0 |
via email in 1~3 business day |
superseded,2007-2-1,1991-12-1 |
|
| GB/T 12684.5-1990 |
Boric acid for industrial use--Determination of chloride content |
180.0 |
via email in 1~3 business day |
superseded,2007-2-1,1991-12-1 |
|
| GB/T 538-1990 |
Boric acid for industrial use |
180.0 |
via email in 1~3 business day |
superseded,2007-2-1,1991-1-2 |
|
| GB 11064.3-1989 |
carbonate - Determination of lithium chloride content - Potentiometric method |
60.0 |
via email in 1~3 business day |
superseded2014-05-01,2014-5-1,1990-2-1 |
|
| GB 11064.16-1989 |
carbonate - Determination of sodium and potassium contents - Flame atomic emission spectrometric method |
45.0 |
via email in 1~3 business day |
superseded2014-05-01,2014-5-1,1990-2-1 |
|
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