Set of stable formazine standards in sealed vials, prepared in ready-to-use concentrations to ensure accurate turbidity measurements. All concentrations are verified to meet tight quality control specifications. They are EPA & ISO compliant and eliminate any need for preparation, avoiding contact to hazardous chemicals. These sets deliver sall of the concentrations needed to calibrate and verify the TB350, TB 211 IR and TB300 IR turbidimeter.

NOTE: 

There has recently been an amendment to the UK Poisons Act 1972 regarding the supply of Explosives precursors which comes into effect from October 1^st 2023 and covers the supply of certain materials. 

In order to comply with these regulations we kindly ask that you complete the following actions as quickly as possible in order to avoid disruption to supply.

• Please complete this form, along with a copy of a photographic ID (such as a passport, driving licence, trade ID card, business ID card) for the individual that your company authorises to purchase these materials.
• You will need to understand your legal obligations under the Act, particularly in regard to the reporting of loss, theft or suspicious activity.
• If you are reselling these materials then you may need to obtain and retain the same information from your customers.

Further information can be found at https://www.gov.uk/government/publications/supplying-explosives-precursors/supplying-explosives-precursors-and-poison