Hach TNTplus 821 COD MR 3-150 mg/L
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Product Description
Hach TNTplus 821 COD mid-range 3-150 mg/L, dilution-tolerant reagent variant.
Technical Specifications
- Part
- TNT821
- Method
- Dichromate
- Range
- 3-150 mg/L
- Accuracy
- ±5%
- Vials
- 25 per pack (standard) / 100 per pack (chlorine pillows)
- Required equipment
- Hach DR-series photometer / spectrophotometer + DRB200 heater (digestion tests)
Standards & Compliance
- Classification / Approval
- Equivalent to EPA / Standard Methods / ISO methods
- HS Code
- 9027.80
Compatibility & Fitment
All TNTplus vials use 16mm test-tube format with auto-recognition barcode on DR900/1900/6000.
Product Documentation
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Catalogue entry last verified: 2026-08-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy TNT821?
- TNT821 can be ordered from cballast.com as a Hach catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Hach product?
- The manufacturer part number is TNT821.
- What is the HS code for TNT821?
- The customs tariff (HS) code for TNT821 is 9027.80.
- Who manufactures TNT821?
- TNT821 is a Hach product in the Chemical Test Kits range.
- Is a datasheet available for TNT821?
- Yes — the TNT821 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for TNT821?
- The minimum order quantity is 1.
- Is TNT821 available?
- Yes — TNT821 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).