Standard No.:	GB/T 7488-1987
English Name:	Water quality; Determination of biochemical oxygen demand after 5 days(BOD5); Dilution and seeding method
Chinese Name:	水质 五日生化需氧量(BOD5)的测定稀释与接种法
Chinese Classification:	Z16    Analysis methods for toxic substances in water
Professional Classification:	GB    National Standard
Issued by:	State Environmental Protection Administration
Issued on:	1987-03-06
Implemented on:	1987-8-1
Status:	superseded
Superseded by:	HJ 505-2009 Water Quality - Determination of Biochemical Oxygen Demand after 5 Days (BOD5) for Dilution and Seeding Method
Superseded on:	2009-12-1
Abolished on:	2009-12-01
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	184.00
Delivery:	via email in 1~3 business day

本方法适用于BOD5大于或等于2mg/L并且不超过6000mg/L的水样。BOD5大于6000mg/L的水样仍可用本方法，但由于稀释会造成误差，有必要要求对测定结果做深重的说明。本试验得到的结果是生物化学和化学作用共同产生的结果，它们不象单一的、有明确定义的化学过程那样具有严格和明确的特性，但是它能提供用于评价各种水样质量的指标。本试验的结果可能会被水中存在的某些物质所干扰，那些对微生物有毒的物质，如杀菌剂、有毒金属或游离氯等，会抑制生化作用。水中的藻类或硝化微生物也可能造成虚假的偏高结果。