Free shipping from 2 items Methylene Blue Traced lot • Independent analysis

Analysis results for current batch

Identification

Lot identification BM1P-100ML-777-FR
Latest analysis October 10, 2025
Laboratory CTC Groupe
Method / standard ISO/COFRAC

Measured concentration

Measured concentration 1,00%
Target concentration 1,00%
Tolerance ±0,05%
Status Compliant

Controls – 16 heavy metals

Product Methylene blue liquid solution, methylthioninium chloride CAS 61-73-4 USP Pharmaceutical Grade
Enclosure temperature on receipt 7.5 °C
Matrix type Wastewater

Heavy metals and trace elements determined by optical emission spectrometry (ICP-OES, EN ISO 11885) and mercury by atomic fluorescence spectrometry (EN ISO 17852).

Determination Sandre code Method Result Unit Uncertainty LOQ GIDAF data
Mercury (Hg) 1387 NF EN ISO 17852 < 0.2 µg/L ± 15 % 0.2 0
Mineralization NF EN ISO 15587-2 Performed
Aluminium (Al) 1370 NF EN ISO 11885 < 0.10 mg/L ± 15 % 0.10 0
Silver (Ag) 1368 NF EN ISO 11885 < 0.020 mg/L ± 30 % 0.020 0
Arsenic (As) 1369 NF EN ISO 11885 < 0.020 mg/L ± 15 % 0.020 0
Cadmium (Cd) 1388 NF EN ISO 11885 < 0.02 mg/L ± 15 % 0.02 0
Cobalt (Co) 1379 NF EN ISO 11885 < 0.020 mg/L ± 15 % 0.020 0
Copper (Cu) 1392 NF EN ISO 11885 0.846 mg/L ± 15 % 0.020 0.846
Tin (Sn) 1380 NF EN ISO 11885 < 0.020 mg/L ± 15 % 0.020 0
Iron (Fe) 1393 NF EN ISO 11885 0.0569 mg/L ± 15 % 0.020 0.0569
Manganese (Mn) 1394 NF EN ISO 11885 < 0.020 mg/L ± 15 % 0.020 0
Molybdenum (Mo) 1395 NF EN ISO 11885 < 0.020 mg/L ± 15 % 0.020 0
Nickel (Ni) 1386 NF EN ISO 11885 < 0.020 mg/L ± 15 % 0.020 0
Lead (Pb) 1382 NF EN ISO 11885 < 0.020 mg/L ± 15 % 0.020 0
Selenium (Se) 1385 NF EN ISO 11885 < 0.020 mg/L ± 25 % 0.020 0
Vanadium (V) 1384 NF EN ISO 11885 < 0.020 mg/L ± 15 % 0.020 0
Zinc (Zn) 1383 NF EN ISO 11885 1.16 mg/L ± 15 % 0.020 1.16

LOQ: limit of quantification. Sandre code: French national water-data reference system. GIDAF data: values intended for French regulatory discharge reporting; a value of 0 indicates a content below the limit of quantification.

Conclusion

Batch BM1P-100ML-777-FR complies with all specifications. Methylene blue concentration meets the target value of 1.00%. All analysed heavy metals are below detection limits or regulatory thresholds.

Laboratory : CTC Groupe

Issue date : October 10, 2025

Reference : RAP-2025-BM1P-777

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