Page 5 - DM11504003_MN2026_Water_Analysis

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NANOCOLOR analysis system NANOCOLOR analysis system
޲̙ࣛቦٙᐼಢʱؓ λੰజઆٝ

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຾ཀ᜕ᗇٙ NANOCOLOR ᐼಢ಻༊ڢ੬ቇΥ̙ቦή಻֛ᄻ˥ʕٙᐼಢ ୌΥ ISO ᅺ๟
ўඎfৰəՈϞഐ؈Ύତ׌ʘ̮d̴ࡁᒔՈϞ዁ЪᔊఊҞ஺ٙᎴᓃf
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Ңࡁٙ NANOCOLOR ᐼಢ಻༊ࢁ΁
ୌΥ ISO 23697-1:2023-02 ᅺ๟j˥
ሯ – Դ͜ʃۨ੗܆၍಻֛˥ʕٙᐼഐ
Υಢ (ST-TNb) – ୋ 1 ௅ʱ – ɚ͠ਿ߽
█ ӊϣऊ༆̥ცɓࡈ༊၍
ₒᜑЍˀᏐf
█ ༊၍ʊཫ΋τༀऊ༆༊ኒdಯˇ಻༊Ӊ᜷
█ ऊ༆၍̥Դ͜ɓϣdᒒеϮݑ
█ ೌც૶ݹऊ༆၍

█ ԑ੄ɽٙᅵۜ᜗ጐdᆽڭഐ؈τΌ̙ቦ

How it’s done ዁Ъ˙ό

Certificate
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August 2016 Application of a NANOCOLOR total nitrogen test
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ISO conformity of NANOCOLOR tube tests
Certificate
Parameter REF A C D E
COD 40 985 027 B 120 °C / 30 min M
COD 60 985 022 August 2016 5.0 mL 100 °C / 1 h 500 µL
COD LR 150 985 036 N22
COD 160 985 026
COD 600 985 030
COD 1500 985 029 ® A
COD HR 1500 985 038 ISO conformity of NANOCOLOR tube tests

500 µL
Hereby we confirm that the above mentioned tube tests from MACHEREY-NAGEL correspond in all points with the pH 5–9
R2
DIN ISO 15705
Parameter REF
Water quality – Determination of the chemical oxygen demand index (ST-COD) –
Small- scale sealed tube method. COD 40 985 027
ਗ਼ᅵۜ̋ɝ ऊʷᅵۜ ᔷ୅ऊʷ૰ ̋ɝᜑЍ༊ኒ ಻ඎ

MACHEREY-NAGEL DIN ISO 15705 COD 60 985 022
Reagents Sulfuric acid Sulfuric acid ऊ༆၍
Potassium dichromate Potassium dichromate COD LR 150 985 036
Silver sulfate Silver sulfate
Mercury sulfate Mercury sulfate COD 160 985 026
Sample volume 2.00 mL 2.00 ± 0.02 mL
Digestion Temperature: 148 °C / 150 °C Temperature: 150 ± 5 °C COD 600 985 030
Time: 2 h Time: 2 h ± 10 min
Wavelengths for photometric 2 - 40 mg/L O 2 345 / 350 nm to 50 mg/L O 2 348 ± 15 nm COD 1500 985 029
determination 5 - 60 mg/L O 2 345 / 350 nm to 50 mg/L O 2 348 ± 15 nm
3 - 150 mg/L O 2 436 nm to 150 mg/L O 2 440 ± 20 nm
15 - 160 mg/L O 2 436 nm to 150 mg/L O 2 440 ± 20 nm COD HR 1500 985 038
50 - 600 mg/L O 2 605 / 620 nm to 1500 mg/L O 2 600 ± 20 nm
100 - 1500 mg/L O 2 605 / 620 nm to 1500 mg/L O 2 600 ± 20 nm
20 - 1500 mg/L O 2 605 / 620 nm to 1500 mg/L O 2 600 ± 20 nm

Hereby we confirm that the above mentioned tube tests from MACHEREY-NAGEL correspond in all points with the

This document has been produced electronically and is valid without a signature. DIN ISO 15705

Water quality – Determination of the chemical oxygen demand index (ST-COD) –
Small- scale sealed tube method.
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MACHEREY-NAGEL DIN ISO 15705
Reagents Sulfuric acid Sulfuric acid
Potassium dichromate Potassium dichromate
Silver sulfate Silver sulfate
Mercury sulfate Mercury sulfate
Sample volume 2.00 mL 2.00 ± 0.02 mL
Digestion Temperature: 148 °C / 150 °C Temperature: 150 ± 5 °C
Time: 2 h Time: 2 h ± 10 min
Wavelengths for photometric 2 - 40 mg/L O 2 345 / 350 nm to 50 mg/L O 2 348 ± 15 nm
determination 5 - 60 mg/L O 2 345 / 350 nm to 50 mg/L O 2 348 ± 15 nm
3 - 150 mg/L O 2 436 nm to 150 mg/L O 2 440 ± 20 nm
15 - 160 mg/L O 2 436 nm to 150 mg/L O 2 440 ± 20 nm
50 - 600 mg/L O 2 605 / 620 nm to 1500 mg/L O 2 600 ± 20 nm
100 - 1500 mg/L O 2 605 / 620 nm to 1500 mg/L O 2 600 ± 20 nm
20 - 1500 mg/L O 2 605 / 620 nm to 1500 mg/L O 2 600 ± 20 nm

This document has been produced electronically and is valid without a signature.
1/1
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