| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| CJ/T 143-2001 |
Urban water supply. Determination of sodium, magnesium, calcium—Ion chromatography method |
 (USD) |
via email in
1 business day
|
SUPERSEDED
|
|
| GB 13199-1991 |
Water quality-Determination of anionic detergent-Potentiometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| MT/T 622-1996 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 7488-1987 |
Water quality; Determination of biochemical oxygen demand after 5 days(BOD5); Dilution and seeding method |
 (USD) |
via email in
1-3 business day
|
|
|
| HJ/T 51-1999 |
Water quality -- Determination of total salt -- Gravimetric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 8972-1988 |
Water quality-Determination of pentachlorophenol-Gas chromatography |
 (USD) |
via email in
1-3 business day
|
|
|
| GB 7494-1987 |
Water quality; Determination of anionic surfactants; Methylene blue spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 13196-1991 |
Water quality--Determination of sulphate--Flame atomic absorption spectrophotometric method |
|
via email in
|
|
please email coc@codeofchina.com for quotation
|
| MT/T 201-2007 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| MT/T 206-1995 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 11899-1989 |
Water quality-Determination of sulfate-Gravimatric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 7491-1987 |
Water quality; Determination of volatile phenolic; Compounds; After distillation with bromine method |
 (USD) |
via email in
1-3 business day
|
|
|
| GB/T 7482-1987 |
Water quality; Determination of fluoride; Visual colorimetry with zirconium alizarinsulfonate |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 13197-1991 |
Water quality-Determination of formaldehyde-Acetylacetone spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 7467-1987 |
Water quality; Determination of chromium(6); 1.5 Diphenylcarbahydrazide spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 13194-1991 |
Water quality-Determination of nitrobenzene, mononitrotoluene(MNT),nitrochlorobenzene and oinitrotoluene(ONT)-Gas chromatography |
 (USD) |
via email in
1-3 business day
|
|
|
| GB/T 15451-2006 |
Industrial circulating cooling water - Determination of total and composite alkalinity |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB 7493-1987 |
Water quality; Determination of nitrogen (nitrite); Spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| CJ/T 58-1999 |
Municipal sewage—Determination of volatile phenolic compounds—After distillation by means of 4-AAP spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 14671-1993 |
Water quality－Determination of barium－Potentiometric titration method |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
|
|
