7 黯
7.1 ֬
7.1.1 ܣ黯ĤM͝
7.1.2 ʹ÷ʹ
1 ҇ʳƷӄʹl(wi)˜ʡGB2760-1996Ҏ(gu)ǏSǷ0.01g/kg
2 HʹÅͺ10g/kg
7.2 pʯΣp
7.2.1 ܣ黯l(f)݄
7.2.2 ʹ÷ʹϡʹܛāʹs10g/kg
7.3 ۸͆Ӳ֬
7.3.1 ܣ黯ͷ(wn)
7.3.2 ʹ÷ʹ҇ʳƷӄʹl(wi)˜ʡGB2760-1996Ҏ(gu)ϣֲﵰѩ⣬ʹ10g/kg
7.4 ϩɽ洼֬
7.4.1 ܣ黯(wn)ɢ܄
7.4.2 ʹ÷ʹ҇ʳƷӄʹl(wi)˜ʡGB2760-1996Ҏ(gu)ѩ1.0g/kgţ1.5g/kg黯Ȼɫ؞10g/kg
7.5 ɽ洼Ӳ֬
7.5.1 ܣ黯(wn)݄
7.5.2 ʹ÷ʹ
(1) ҇ʳƷӄʹl(wi)˜ʡGB2760-1996Ҏ(gu)ֲﵰ֭ţcwɿʹ3.0g/kgͣܿɽĸֲ10.0g/kg
(2) HʹÅܿȣ仯ֲͣ10.0g/kgм0.2~0.3ʹƷӲͷ(wn)F(xin)F(xin)ɿӿϵ0.1~0.3ıƷɷֹ֬wڱγɡ˪F(xin)ʹʧȥɣͬr߀ֹ֬ᔡƹLζܛ^УƷ龧wp͵ġɳʹͳͣƿζ
7.6 ֬
7.6.1 ܣ黯r
7.6.2 ʹ÷ʹ
1 ҇ʳƷӄʹl(wi)˜ʡGB2760-1996Ҏ(gu)ڱǹa(chn)ʹ1.5g/kg黯Ȼɫʹ10.0g/kg
2 Hcʹ֬黯(wn)ֹƷ|0.1~0.5HLB7ɿƽYֹ˪0.2~1.0HLBֵ3~9ڱ黯ɢԣ߱weM᷀(wn)ԣԺͿڸ֬1.0~10HBLֵ1~16ڟ飬ͷ(wn)ҺɷֹˮxÛ0.1~0.5(HLBֵ1~3)黯㾫wϣֹƷеϓpʧ0.05~0.2HBLֵ7~16
7.7 ۸͆Ӳ֬
7.7.1 ܣ黯(wn)Ʒ|
7.7.2 ʹ÷ʹ
1 ҇ʳƷӄʹl(wi)˜ʡGB2760-1996Ҏ(gu)c0.1g/kg3g/kg
2 HʹÅʹ䂀MֻϾγɼܵĚYÛʴڸмāڻͣSУֹܷˮxƲS͵ͿĨԣҲ֬YֹƷԡ