| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GH/T 1484-2024 |
Guidelines for design of comprehensive treatment scheme ofrural domestic sewage |
|
|
valid,,2025-6-1 |
|
| HG 2022-1991 |
Determination of free chlorine and total chlorine in industrial circulating cooling water N, N-Diethyl-1, 4-Phenylenediamine titration |
$60.00 |
via email in 1~3 business day |
abolished2010-01-20 ,,1992-1-1 |
|
| HG/T 2023-1991 |
Determination of free chlorine and total chlorine in industrial circulating cooling water N, N-Diethyl-1, 4-Phenylenediamine spectrophotometric method |
$180.00 |
via email in 1~3 business day |
abolished2010-01-20 ,,1992-1-1 |
|
| HG/T 2156-1991 |
Determination of anionic surface active agent in industrial circulating cooling water Methylene blue spectrophotometric method |
$184.00 |
via email in 1~3 business day |
abolished2010-06-01 ,2010-6-1,1992-1-1 |
|
| HG/T 2157-2011 |
Industrial circulating cooling water - Determination of ammonium - Potentiometric method |
$160.00 |
via email in 1~3 business day |
valid,,1996-3-1 |
|
| HG/T 2158-1991 |
Determination of ammonium in industrial circulating cooling water Distillation-titration method |
$184.00 |
via email in 1~3 business day |
abolished2012-07-01 ,2012-7-1,1992-1-1 |
|
| HG/T 2158-2011 |
Industrial circulating cooling water—Determination of ammonium—-Distillation and titration method |
$140.00 |
via email in 1~3 business day |
valid,,2012-7-1 |
|
| HG/T 2837-1997 |
Water treatment chemicals. Sodium polymetaphosphate |
$305.00 |
via email in 1~3 business day |
abolished2011-03-01 ,2011-3-1,1997-9-1 |
|
| HG/T 2837-2010 |
Water treatment chemicals - Sodium polymetaphosphate |
$100.00 |
via email in 1~3 business day |
valid,,2011-3-1 |
|
| HG/T 2838-1997 |
Water treatment chemicals-Sodium polyacrylate |
$100.00 |
via email in 1~3 business day |
abolished2011-03-01 ,2011-3-1,1997-9-1 |
|
| HG/T 2838-2010 |
Water treatment chemicals－Sodium polyacrylate |
$344.00 |
via email in 1~3 business day |
superseded,2019-4-1,2011-3-1 |
|
| HG/T 2839-1997 |
Water treatment chemicals. Disodium 1-hydroxyethylidene-1, 1-diphosphonate, tetrahydrate |
$260.00 |
via email in 1~3 business day |
abolished2011-03-01 ,2011-3-1,1997-9-1 |
|
| HG/T 2840-1997 |
Water treatment chemicals - Amino trimethylene phosphonic acid (solid) |
$305.00 |
via email in 1~3 business day |
abolished2011-03-01 ,2011-3-1,1997-9-1 |
|
| HG/T 2841-1997 |
Water treatment chemicals. Amino trimethy phosphonic acid |
$345.00 |
via email in 1~3 business day |
abolished2006-01-01 ,2006-1-1,1997-9-1 |
|
| HG/T 3516-1999 |
Industrial circulating cooling water. Determiantion of nitrate. 2, 6-Dimethylphenol spectrometric method |
$380.00 |
via email in 1~3 business day |
valid,,1999-6-4 |
|
| HG/T 3516-2011 |
Industrial circulating cooling water—Determination of nitrite—Molecularabsorption spectrometric method |
$260.00 |
via email in 1~3 business day |
valid,,2012-7-1 |
|
| HG/T 3518-2011 |
Industrial circulating cooling water-Determination of mercaptobenzo-thiazole |
$120.00 |
via email in 1~3 business day |
valid,,2012-7-1 |
|
| HG/T 3523-2008 |
Tecnical conditions of standard corrosion spool of chemical treatment in cooling water |
$75.00 |
via email in 1~3 business day |
valid,,2008-10-1 |
|
| HG/T 3525-2011 |
Industrial circulating cooling water-Determination of aluminum |
$210.00 |
via email in 1~3 business day |
valid,,2012-7-1 |
|
| HG/T 3526-2011 |
Industrial circulating cooling water determination of nitrate-Spectrophotometric method using sulfosalicylic acid |
$130.00 |
via email in 1~3 business day |
valid,,2012-7-1 |
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