Analytical Standards (CPAchem)
The CPAchem analytical standards range, listed with full specifications, structures where available and lot documentation.
- 349 CPAchem products - 323 ISO 17034 certified reference materials - Prices from £17.42 (ex VAT), shown in GBP, EUR, USD, AED, BDT, SAR and TRY - Certificate of Analysis and SDS for every lot from CPAchem's document finder; a Lancetech technical data sheet on every product page - Dispatched by CPAchem within 3-7 working days; dangerous goods confirmed by quotation
Popular items: Acetic Acid 0.1M (0.1N), Acetic Acid 1M (1N), Alkalinity, CaCO3 1000 mg/L Calibration Standard, Alkalinity, CaCO3 500 mg/L Calibration Standard, Ammonia (Ammonium Hydroxide) 0.1M (0.1N), Ammonia - concentrate to make 1L 1M solution, Ammonium Thiocyanate 0.1M (0.1N), Barium Chloride 0.05M (0.1N), Benzoic acid - Certified Reference Material for st, Bromine - Bromate/Bromide 0.05M (0.1N), Calcium Carbonate - Certified Reference Material f, Calcium Chloride 0.01M (0.02N).
Filters (2 active)

Total Nitrogen Standard (100 mg/l) - for photometric applications acc to EN 25663 (ISO 5663) and ISO 7150 – CRM, 100 ml

Total Nitrogen Standard (1000 mg/l) - for photometric applications acc to EN 25663 (ISO 5663) and ISO 7150 – CRM, 100 ml

Total Bound Nitrogen (TNb) 1000 mg/l acc. to ISO 20236:2024 - 2 components – CRM, 100 ml



TOC Standard Solution 100 mg/l (standard solution acc. to EN 1484) – CRM, 100 ml

TOC Standard Solution 100 mg/l (standard solution acc. to EN 1484) – CRM, 500 ml

TOC Standard Solution 1000 mg/l (stock solution acc. to EN 1484) – CRM, 100 ml

TOC Standard Solution 1000 mg/l (stock solution acc. to EN 1484) – CRM, 500 ml




TOC Standard Solution 2000 mg/l – CRM, 500 ml









TOC water for Total organic carbon (TOC) determination acc. to Ph Eur 2.2.44 – Ph. Eur. reagent, 1000 ml

Benzoic acid - Certified Reference Material for standardization of volumetric solutions – CRM, 60 g
