TY - RPRT TI - Standard Reference Materials : Certification and use of acidic potassium dichromate solutions as an ultraviolet absorbance standard - SRM 935/ AU - Mavrodineanu, R AU - Burke, R W PY - 1977 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-54 DO - 10.6028/NBS.SP.260-54 ER -