| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| DL 425.4-1991 |
Measurement for iron in industrial sodium hydroxide - Phenanthroline spectrophotometric method |
$60.00 |
via email in 1~3 business day |
abolished2015-12-01,2015-12-1,1992-4-1 |
|
| DL 425.5-1991 |
Determination for sodium hydroxide and sodium carbonate content in industrial sodium hydroxide - Volumetric method |
$60.00 |
via email in 1~3 business day |
abolished2015-12-01,2015-12-1,1992-4-1 |
|
| DL 425.6-1991 |
Determination for sodium chloride content in industrial sodium hydroxide - Silver nitrate volumetric method |
$90.00 |
via email in 1~3 business day |
abolished2015-12-01,2015-12-1,1992-4-1 |
|
| DL 426-1991 |
SZH digital frequency relay inspection procedures |
|
via email in 1~3 business day |
,, |
|
| DL 427-1991 |
Technical conditions for ordering indoor generator circuit breakers |
$120.00 |
via email in 1~3 business day |
abolished2015-01-14 ,,1992-4-1 |
|
| DL 428-1991 |
Technical Rules for Power System Automatic Under-frequency Load Shedding |
$190.00 |
via email in 1~3 business day |
superseded,2011-5-1, |
|
| DL 429.1-1991 |
Diapha nometry |
|
via email in 1~3 business day |
,, |
|
| DL 429.2-1991 |
Oil Test Method of Power System—Color Measurement |
$30.00 |
via email in 1~3 business day |
superseded,2016-6-1, |
|
| DL 429.3-1991 |
Water-soluble acid measurement method (acidometer method) |
|
via email in 1~3 business day |
,, |
|
| DL 429.4-1991 |
Quantitative assay method of water-soluble acid |
|
via email in 1~3 business day |
,, |
|
| DL 429.5-1991 |
Volatile water-soluble acid measurement method |
|
via email in 1~3 business day |
,, |
|
| DL 429.6-1991 |
Moving oil open-beaker aging test method |
|
via email in 1~3 business day |
,, |
|
| DL 429.7-1991 |
Fatlute precipitation test method |
|
via email in 1~3 business day |
,, |
|
| DL 429.8-1991 |
Corrosion assays |
|
via email in 1~3 business day |
,, |
|
| DL 429.9-1991 |
Dielectric oil dielectric strength test method |
|
via email in 1~3 business day |
,, |
|
| DL 433-1992 |
Test method for chlorinity in fire resistant oil (bomb method) |
$60.00 |
via email in 1~3 business day |
superseded,2015-9-1,1993-3-1 |
|
| DL 434-1991 |
Regulations for implementing the legal units of measure in power water chemistry |
$60.00 |
via email in 1~3 business day |
valid,,1992-2-1 |
|
| DL 436-1991 |
Technical Guide for HVDC Overhead Transmission Lines |
$210.00 |
via email in 1~3 business day |
superseded,2006-6-1, |
|
| DL 437-1991 |
Technical guide of HVDC earth electrode system |
$135.00 |
via email in 1~3 business day |
abolished2012-03-01 ,2012-3-1,1992-3-1 |
|
| DL 438-1991 |
Technical Supervision Codes for Metal in Thermal Power Plants |
$160.00 |
via email in 1~3 business day |
valid,, |
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