United States Pharmacopoeia (USP) Instrument Qualification Sets

Tools for Easier Compliance
UV Qualification Set	Part number: RM-USP	PRODUCT ENQUIRY
This set contains Starna Certified Reference Materials to qualify a UV spectrophotometer to USP Chapter <857>
Potassium Dichromate 60 mg/l & blank cell	Photometric Accuracy, 235 - 350 nm	More information
Holmium Oxide Solution cell	Wavelength Accuracy, 240 - 640 nm	More information
Potassium Chloride 10 & 5 mm cells	Stray Light, 190 - 205 nm	More information
Sodium Iodide 10 & 5 mm cells	Stray Light, 210 - 259 nm	More information
Acetone 10 & 5 mm cells	Stray Light, 250 - 320 nm	More information
Sodium Nitrite 10 & 5 mm cells	Stray Light, 300 - 385 nm	More information
Toluene in Hexane & blank cell	Resolution, 267 - 269 nm	More information

UV Qualification Set with Linearity Check	Part number RM-USP/3LIN	PRODUCT ENQUIRY
This set is the same as RM-USP, but contains two additional potassium dichromate references for checking photometric linearity.
Potassium Dichromate 60 mg/l & blank cell	Photometric Accuracy, 235 - 350 nm	More information
Potassium Dichromate 20 mg /l	Photometric Accuracy, 235 - 350 nm	More information
Potassium Dichromate 100 mg/l	Photometric Accuracy, 235 - 350 nm	More information
Holmium Oxide Solution cell	Wavelength Accuracy, 240 - 640 nm	More information
Potassium Chloride 10 & 5 mm cells	Stray Light, 190 - 205 nm	More information
Sodium Iodide 10 & 5 mm cells	Stray Light, 210 - 259 nm	More information
Acetone 10 & 5 mm cells	Stray Light, 250 - 320 nm	More information
Sodium Nitrite 10 & 5 mm cells	Stray Light, 300 - 385 nm	More information
Toluene in Hexane & blank cell	Resolution, 267 - 269 nm	More information

USP Visible Transmittance/ Absorbance and Wavelength Set	Part number RM-1N3N5DHG	PRODUCT ENQUIRY
These references are recommended in USP Chapter <857> for the qualification of spectrophotometers in the Visible region:
Absorbance Accuracy, 440-635 nm	Neutral Density Filters (1.00, 0.50 & 0.25 A)	More information
Wavelength Accuracy, 240 - 640 nm	Holmium Glass Filter	More information

NIST SRM Equivalent Sets:	More information	PRODUCT ENQUIRY
These SRMs are specifically cited in USP <857> as evidence of NIST traceability.
SRM 930e Set	Part number RM-1N2N3N
Absorbance Accuracy, 440-635 nm	Neutral Density Filters: 10, 20 & 30 %T
SRM 1930 Set	Part number N1N35N
Absorbance Accuracy, 440-635 nm	Neutral Density Filters: 1, 3 & 50 %T
SRM 2930 Set	Part number RM-D1D39N
Absorbance Accuracy, 440-635 nm	Neutral Density Filters 0.1, 0.3 &92 %T
Combined SRM Set:	Part Number RM-SRM9ND
Absorbance Accuracy, 440-635 nm	All 9 Neutral Density Filters listed above

UV Absorbance Scale & Linearity validation:	More information	PRODUCT ENQUIRY
For method validation, USP <857> recommends that absorbance linearity is checked with five or more analyte concentrations. The following Potassium Dichromate sets allow instrument linearity to be checked over the relevant absorbance range.
Photometric Linearity Set, 0.095A -1.5A	Part Number RM-0204060810
Potassium Dichromate 20, 40, 60, 80, 100 mg/l & blank cell
Photometric Linearity Set, 1.5A- 3.3A	Part Number RM-121416182224
Potassium Dichromate 120, 140, 160, 180, 220 & 240 mg/l & blank cell
Photometric Linearity Set, 0.19A - 3.3A	Part Number RM-040812162024
Potassium Dichromate 40, 80, 120, 160, 200 & 240 mg/l & blank cell

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