Hach Master Catalog 2025

TNTplus Chemistries • Lab Chemistries

13

TNTplus Vial Tests* Prod. No. Parameter

Method Number

Truecal EPA

Range

Method Name Molybdovanadate

TNT846 TNT843 TNT844 TNT845 TNT864 TNT865 TNT861 TNT874 TNT885 TNT875 TNT876 TNT810 TNT811 TNT819 TNT872

Phosphorus, Reactive (Ortho) Phosphorus, Acid Hydrolyzable Phosphorus, Reactive (Ortho)

1.6 - 30 mg/L PO 4 -P; 5 - 90 mg/L PO 4 0.05 - 1.5 mg/L PO 4 -P; 0.15 - 4.5 mg/L PO 4 0.5 - 5.0 mg/L PO ₄ -P; 1.5 - 15.0 mg/L PO ₄

10214 10209 10209 10209 10227 10227 10294 10278 10305 10275 10275 10267 10267 10276 10240

Ascorbic Acid Ascorbic Acid Ascorbic Acid Turbidimetric Turbidimetric

Yes Yes Yes

Yes Yes Yes

Phosphorus, Total

2 - 20 mg/L PO 4 -P; 6 - 60 mg/L PO 4

Sulfate Sulfate Sul fi de

40 - 150 mg/L SO 4 150 - 900 mg/L SO 4 0.1 - 2.0 mg/L S²-

Dimethyl-p-phenylenediamine

Yes

Surfactants, Anionic Surfactants, Cationic Surfactants, Nonionic Surfactants, Nonionic

0.1 - 4.0 mg/L

Methylene Blue (MBA) Bromophenol Blue

0.2 - 2 mg/L as CTAB

0.2 - 6.0 mg/L as Triton x 100 6 - 200 mg/L as Triton X-100

TBPE TBPE

1.5 - 30.0 mg/L C 30 - 300 mg/L C

Direct Method Direct Method

Yes Yes

TOC (Total Organic Carbon)

Vicinal diketones (VDK)

0.015 - 0.5 mg/kg Diacetyl 50 - 2,500 mg/L Acetic Acid 20 - 350 mg/L as CaCO 3 5 - 100 mg/L Ca 3 - 50 mg/L Mg

Analogous MEBAK and ASBC

Volatile Acids

Esteri fi cation

TNT869

Water Hardness

Metalphthalein

10293

See also DR3900, DR6000, and DR1900 spectrophotometer pages.

*Subject to change without notice. *Part numbers may vary by country.